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Discussion Starter #1
Reloading data for the 14″ Remington 6.8SPC.

INTRO: This is all of my reloading data for the 14″ Remington 6.8SPC.
A: Sierra 90 Gr. HP:
Brass: SSA.
Primer: CCI#41.
Crimp: Lee FCD.
Cannelures: Rolled my own using Corbin cannelure tool.
OAL: 2.260″.
Gun: Ko-Tonics 14″ Chrome Lined 1:11″ twist.
Temp: 70.

28 Gr. of H4198: Avg: 2692fps, Lo: 2640fps, Hi: 2721fps, ES: 81, SD: 26
ACCURACY: 1.724″
28.3 Gr. of H4198: Avg: 2747fps, Lo: 2693fps, Hi: 2812fps, ES: 119, SD: ?
ACCURACY: 1.514″
28.6 Gr. of H4198: Avg: 2796fps, Lo: 2754fps, Hi: 2824fps, ES: 70, SD: 25
ACCURACY: 1.558″

30.4 Gr. of H322: Avg: 2558fps, Lo: 2510fps, Hi: 2574fps, ES: 64, SD: 18
ACCURACY: 1.954″
30.7 Gr. of H322: Avg: 2584fps, Lo: 2564fps, Hi: 2624fps, ES: 60, SD: 17
ACCURACY: 1.867″
31 Gr. of H322: Avg: 2607fps, Lo: 2554fps, Hi: 2645fps, ES: 91, SD: 32
ACCURACY: 1.443″

31.9 Gr. of X-Terminator: Avg: 2666fps, Lo: 2645fps, Hi: 2721fps, ES: 76, SD: 21
ACCURACY: 1.678″
32.2 Gr. of X-Terminator: Avg: 2659fps, Lo: 2624fps, Hi: 2688fps, ES: ?, SD: ?
ACCURACY: 1.384″
32.5 Gr. of X-Terminator: Avg: 2689fps, Lo: 2656fps, Hi: 2726fps, ES: 70, SD: 22
ACCURACY: 1.276″

B1: Speer 90 Gr. TNT:
Brass: SSA.
Primer: CCI#41.
Crimp: Lee FCD.
Cannelures: Rolled my own using Corbin cannelure tool.
OAL: 2.260″.
Gun: Ko-Tonics 14″ Chrome Lined 1:11″ twist.
Temp: 80.

27.7 Gr. of H4198: Avg: 2685fps, Lo: 2672fps, Hi: 2704fps, ES: 32, SD: 12
ACCURACY: 1.998″
28 Gr. of H4198: Avg: 2715fps, Lo: 2688fps, Hi: 2737fps, ES: 49, SD: 22
ACCURACY: 1.776″
28.3 Gr. of H4198: Avg: 2755fps, Lo: 2737fps, Hi: 2783fps, ES: 46, SD: 22
ACCURACY: 1.771″
28.6 Gr. of H4198: Avg: 2821fps, Lo: 2812fps, Hi: 2830fps, ES: 18, SD: 6
ACCURACY: 1.605″
29.6 Gr. of H4198: Avg: 2906fps, Lo: 2892fps, Hi: 2923fps, ES: 31, SD: 12
ACCURACY: 1.451″

32 Gr. of X-Terminator: Avg: 2676fps, Lo: 2640fps, Hi: 2699fps, ES: 59, SD: 24
ACCURACY: 3.229″
32.6 Gr. of X-Terminator: Avg: 2747fps, Lo: 2721fps, Hi: 2789fps, ES: 68, SD: 32
ACCURACY: 2.258″

B2: Speer 90 Gr. TNT:
Brass: SSA.
Primer: Wolf Small Rifle Magnum.
Crimp: Lee FCD.
OAL: 2.280″.
Gun: Ko-Tonics 14″ Chrome Lined 1:11″ twist.
Temp: 65.

31 Gr. of RE10X: Avg: 2691fps, Lo: 2677fps, Hi: 2721fps, ES: 44, SD: 17

C: Hornady 110 Gr. BTHP w/cannelures:
Brass: SSA.
Primer: CCI#41.
Crimp: Lee FCD.
OAL: 2.245″.
Gun: Ko-Tonics 14″ Chrome Lined 1:11″ twist.
Temp: 80.

25 Gr. of H4198: Avg: 2403fps, Lo: 2393fps, Hi: 2411fps, ES: 18, SD: 9
ACCURACY: 2.8″
25.3 Gr. of H4198: Avg: 2434fps, Lo: 2424fps, Hi: 2455fps, ES: 31, SD: 12
ACCURACY: 1.94″
25.6 Gr. of H4198: Avg: 2473fps, Lo: 2450fps, Hi: 2487fps, ES: 37, SD: 20
ACCURACY: 2.6″
26 Gr. of H4198: Avg: 2541fps, Lo: 2534fps, Hi: 2544fps, ES: 10, SD: 5
ACCURACY: 2.3″

28.4 Gr. of H322: Avg: 2425fps, Lo: 2406fps, Hi: 2450fps, ES: 44, SD: 16
ACCURACY: 3.238″
28.7 Gr. of H322: Avg: 2429fps, Lo: 2419fps, Hi: 2442fps, ES: 23, SD: 10
ACCURACY: 2.966″
29 Gr. of H322: Avg: 2462fps, Lo: 2455fps, Hi: 2473fps, ES: 18, SD: 8
ACCURACY: 3.029″

29.6 Gr. of X-Terminator: Avg: 2436fps, Lo: 2424fps, Hi: 2450fps, ES: 26, SD: 11
ACCURACY: 2.975″

D1: Hornady 110 Gr. V-Max:
Brass: SSA.
Primer: CCI#41.
Crimp: Lee FCD.
Cannelures: Rolled my own using Corbin cannelure tool.
OAL: 2.260″.
Gun: Ko-Tonics 14″ Chrome Lined 1:11″ twist.
Temp: 70.

25 Gr. of H4198: Avg: 2438fps, Lo: 2393fps, Hi: 2492fps, ES: 99, SD: 38
ACCURACY: 2.082″
25.3 Gr. of H4198: Avg: 2456fps, Lo: 2415fps, Hi: 2506fps, ES: 91, SD: 45
ACCURACY: 2.53″
25.6 Gr. of H4198: Avg: 2503fps, Lo: 2478fps, Hi: 2539fps, ES: 61, SD: 23
ACCURACY: 2.011″
26 Gr. of H4198: Avg: 2567fps, Lo: 2559fps, Hi: 2574fps, ES: 15, SD: 6
ACCURACY: 3.5″

28.4 Gr. of H322: Avg: 2407fps, Lo: 2402fps, Hi: 2419fps, ES: 17, SD: 7
ACCURACY: 2.582″
28.7 Gr. of H322: Avg: 2429fps, Lo: 2415fps, Hi: 2442fps, ES: 27, SD: 9
ACCURACY: 2.244″
29 Gr. of H322: Avg: 2436fps, Lo: 2411fps, Hi: 2482fps, ES: 71, SD: 26
ACCURACY: .913″

28.5 Gr. of Benchmark: Avg: 2307fps, Lo: 2283fps, Hi: 2322fps, ES: 39, SD: 18
29 Gr. of Benchmark: Avg: 2341fps, Lo: 2318fps, Hi: 2364fps, ES: 46, SD: 21

29.5 Gr. of H335: Avg: 2403fps, Lo: 2368fps, Hi: 2433fps, ES: 65, SD: 25

29 Gr. of X-Terminator: Avg: 2397fps, Lo: 2364fps, Hi: 2415fps, ES: 51, SD: 20
ACCURACY: 2.379″
29.5 Gr. of X-Terminator: Avg: 2404fps, Lo: 2372fps, Hi: 2419fps, ES: 47, SD: 19
ACCURACY: 1.406″

D2: Hornady 110 Gr. V-Max:
Brass: SSA.
Primer: Wolf Small Rifle Magnum.
Crimp: Lee FCD.
OAL: 2.270″.
Gun: Ko-Tonics 14″ Chrome Lined 1:11″ twist.
Temp: 65.

28 Gr. of RE10X: Avg: 2449fps, Lo: 2433fps, Hi: 2460fps, ES: 27, SD: 11
28.3 Gr. of RE10X: Avg: 2464fps, Lo: 2442fps, Hi: 2487fps, ES: 45, SD: 16
28.7 Gr. of RE10X: Avg: 2478fps, Lo: 2464fps, Hi: 2510fps, ES: 46, SD: 18
29 Gr. of RE10X: Avg: 2517fps, Lo: 2506fps, Hi: 2530fps, ES: 24, SD: 9

E1: Sierra 110 Gr. Pro-Hunters:
Brass: SSA.
Primer: CCI#41.
Crimp: Lee FCD.
Cannelures: Rolled my own using Corbin cannelure tool.
OAL: 2.260″.
Gun: Ko-Tonics 14″ Chrome Lined 1:11″ twist.
Temp: 70.

25 Gr. of H4198: Avg: 2366fps, Lo: 2318fps, Hi: 2402fps, ES: 84, SD: 31
ACCURACY: 1.992″
25.5 Gr. of H4198: Avg: 2359fps, Lo: 2326fps, Hi: 2411fps, ES: 85, SD: 33
ACCURACY: 2.140″
28.4 Gr. of H322: Avg: 2358fps, Lo: 2287fps, Hi: 2393fps, ES: 106, SD: 31
ACCURACY: 2.238″
28.7 Gr. of H322: Avg: 2371fps, Lo: 2318fps, Hi: 2402fps, ES: 84, SD: 32
ACCURACY: 1.568″
29 Gr. of H322: Avg: 2400fps, Lo: 2376fps, Hi: 2428fps, ES: 52, SD: 16
ACCURACY: 1.841″

29.5 Gr. of X-Terminator: Avg: 2423fps, Lo: 2411fps, Hi: 2433fps, ES: 22, SD: 8
ACCURACY: 2.776″

E2: Sierra 110 Gr. Pro-Hunters:
Brass: SSA.
Primer: Wolf Small Rifle Magnum.
Crimp: Lee FCD.
OAL: 2.280″.
Gun: Ko-Tonics 14″ Chrome Lined 1:11″ twist.
Temp: 65.

28 Gr. of RE10X: Avg: 2363fps, Lo: 2331fps, Hi: 2406fps, ES: 75, SD: 27
28.3 Gr. of RE10X: Avg: 2365fps, Lo: 2326fps, Hi: 2406fps, ES: 80, SD: 29
28.7 Gr. of RE10X: Avg: 2410fps, Lo: 2389fps, Hi: 2442fps, ES: 53, SD: 22
29 Gr. of RE10X: Avg: 2430fps, Lo: 2406fps, Hi: 2450fps, ES: 44, SD: 20

—————————————————————————————

Factory Ammo:
A: Hornady 110 Gr. BTHP TAP:
Gun: Ko-Tonics 14″ Chrome Lined 1:11″ twist.
Temp: 80

Avg: 2469fps, Lo: 2419fps, Hi: 2506fps, ES: 87, SD: 31
Avg: 2402fps, Lo: 2385fps, Hi: 2428fps, ES: 43, SD: 15
Difference: -67fps.
ACCURACY: 3.276″ (9 shots went into 1.708″ and 1 round opened it up.)

B: Hornady 110 Gr. V-Max TAP:
Gun: Ko-Tonics 14″ Chrome Lined 1:11″ twist.
Temp: 80

Avg: 2473fps, Lo: 2424fps, Hi: 2510fps, ES: 86, SD: 33
Avg: 2408fps, Lo: 2389fps, Hi: 2428fps, ES: 39, SD: 17
Difference: -65fps.
ACCURACY: 4+”

C: SSA 110 Gr. Pro-Hunters (Combat Loads):
Gun: Ko-Tonics 14″ Chrome Lined 1:11″ twist.
Temp: 80

Avg: 2401fps, Lo: 2359fps, Hi: 2433fps, ES: 74, SD: 27
Avg: 2342fps, Lo: 2314fps, Hi: 2355fps, ES: 41, SD: 16
Difference: -59fps.
ACCURACY: 1.387″

D: SSA 115 Gr. Enhanced SMK (Combat Loads):
Gun: Ko-Tonics 14″ Chrome Lined 1:11″ twist.
Temp: 80

Avg: 2403fps, Lo: 2389fps, Hi: 2419fps, ES: 30, SD: 11
Avg: 2385fps, Lo: 2376fps, Hi: 2393fps, ES: 11, SD: 6
Difference: -18fps.
ACCURACY: 2.418″

NOTE: Velocities in Blue are in 30 degree temperatures.
 

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Discussion Starter #2
Reloading data for the LMT 14″ Remington 6.8SPC.

INTRO: This is all of my reloading data for the LMT 14″ Remington 6.8SPC.
Sierra 90 Gr. HP:
Brass: SSA.
Primer: CCI#41.
Crimp: Lee FCD.
OAL: 2.260″.
Temp: 80.

28.6 Gr. of H4198:
Avg: 2885 fps, Lo: 2867 fps, Hi: 2898 fps, ES: 31, SD: 13

27.6 Gr. of AA1680:
Avg: 2769 fps, Lo: 2754 fps, Hi: 2783 fps, ES: 29, SD: 14
28.1 Gr. of AA1680:
Avg: 2827 fps, Lo: 2812 fps, Hi: 2842 fps, ES: 30, SD: 21

33.5 Gr. of TAC:
Avg: 2632 fps, Lo: 2619 fps, Hi: 2661 fps, ES: 42, SD: 18

Speer 90 Gr. TNT:
Brass: SSA.
Primer: Wolf Smal Rifle Magnum.
Crimp: Lee FCD.
OAL: 2.270″.
Temp: 60.

28.1 Gr. of H4198:
ACCURACY: 1.286″
28.6 Gr. of H4198:
ACCURACY: 1.065″
29.1 Gr. of H4198:
ACCURACY: 1.058″
29.6 Gr. of H4198:
ACCURACY: 1.180″

31 Gr. of H322:
ACCURACY: 1.225″

Hornady 110 Gr. BTHP:
Brass: SSA.
Primer: Wolf Smal Rifle Magnum.
Crimp: Lee FCD.
OAL: 2.245″.
Temp: 60.

25.3 Gr. of H4198: (5 rounds)
ACCURACY: 2.201″

29 Gr. of H322:
ACCURACY: 2.207″
29.5 Gr. of H322:
ACCURACY: 2.632″

29.5 Gr. of X-Terminator:
ACCURACY: 3.518″

Hornady 110 Gr. V-Max:
Brass: SSA.
Primer: Wolf Smal Rifle Magnum.
Crimp: Lee FCD.
OAL: 2.270″.
Temp: 60.

25.3 Gr. of H4198: (5 rounds)
ACCURACY: 1.233″

28.5 Gr. of H322:
ACCURACY: 1.739″
29 Gr. of H322:
ACCURACY: 1.667″
29.5 Gr. of H322:
ACCURACY: 1.956″

29.5 Gr. of X-Terminator:
ACCURACY: 2.595″

Hornady 110 Gr. V-Max:
Brass: SSA.
Primer: CC#41.
Crimp: Lee FCD.
OAL: 2.260″.
Temp: 80.

30.5 Gr. of TAC:
Avg: 2438 fps, Lo: 2437 fps, Hi: 2442 fps, ES: 5, SD: 2
ACCURACY: 2.050″

25.3 Gr. of H4198:
Avg: 2482 fps, Lo: 2469 fps, Hi: 2492 fps, ES: 23, SD: 12

Sierra 110 Gr. Pro-Hunters:
Brass: SSA.
Primer: Wolf Smal Rifle Magnum.
Crimp: Lee FCD.
OAL: 2.270″.
Temp: 60.

28.5 Gr. of H322:
ACCURACY: 1.422″

Sierra 115 Gr. SMK:
Brass: SSA.
Primer: Wolf Smal Rifle Magnum.
Crimp: Lee FCD.
OAL: 2.270″.
Temp: 60.

24 Gr. of H4198: (5 rounds)
ACCURACY: 1.076″

28 Gr. of H322:
ACCURACY: 1.033″
28.5 Gr. of H322:
ACCURACY: 1.549″

29 Gr. of X-Terminator:
ACCURACY: 1.964″

Sierra 115 Gr. SMK:
Brass: SSA.
Primer: CCI#41.
Crimp: Lee FCD.
OAL: 2.260″.
Temp: 80.

30 Gr. of TAC:
Avg: 2361 fps, Lo: 2347 fps, Hi: 2385 fps, ES: 38, SD: 20
ACCURACY: 1.693″

24 Gr. of H4198:
Avg: 2322 fps, Lo: 2298 fps, Hi: 2347 fps, ES: 49, SD: 24

——————————————————

Factory ammo: (16″ LMT Barrel. This was before I cut it to 14")
SSA 90 Gr. HP Tactical Load:
Avg: 2937 fps, Lo: 2904 fps, 2969 Hi: fps, ES: 65, SD: 21
ACCURACY: 1.536″

SSA 110 Gr. Pro-Hunter Commercial Load:
Avg: 2443 fps, Lo: 2415 fps, Hi: 2469 fps, ES: 54, SD: 19
ACCURACY: 1.555″

SSA 115 Gr. Enhanced SMK Commercial Load:
Avg: 2465 fps, Lo: 2450 fps, Hi: 2473 fps, ES: 23, SD: 7
ACCURACY: 1.860″
 

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Discussion Starter #3
Reloading data for the 16″ Remington 6.8SPC.

INTRO: This is all of my reloading data for the 16″ Remington 6.8SPC.
A: Sierra 90 Gr. HP:
Brass: SSA.
Primer: Winchester WSR.
Crimp: Roll Crimp.
Cannelures: Rolled my own using Corbin cannelure tool.
OAL: 2.280″.
Gun: Ko-Tonics 16″ Chrome Lined 1:11″ twist.
Temp: 70.

26.5 Gr. of H4198: Avg: 2733fps, Lo: 2704fps, Hi: 2766fps, ES: 62, SD: 23
27.5 Gr. of H4198: Avg: 2818fps, Lo: 2812fps, Hi: 2824fps, ES: 12, SD: 4
28.5 Gr. of H4198: Avg: 2902fps, Lo: 2861fps, Hi: 2943fps, ES: 82, SD: 31
Accuracy:
26.5 Gr.: .61″ and 1.05″. (This would e my favorite, but it felt underpowered and it did not cycle properly.).
27 Gr.: 1.22″ and 1.28″.
27.5 Gr.: 1″ and 1.25″.
28 Gr.: 1.15″ and 1.09″.
28.5 Gr.: 1.26″ and 1.09″. My favorite with this powder.

29 Gr. of H322: Avg: 2627fps, Lo: 2619fps, Hi: 2640fps, ES: 21, SD: 9
30 Gr. of H322: Avg: 2727fps, Lo: 2715fps, Hi: 2737fps, ES: 22, SD: 9
31 Gr. of H322: Avg: 2821fps, Lo: 2801fps, Hi: 2842fps, ES: 41, SD: 15
Accuracy:
29 Gr.: .608″ and .876″.
29.5 Gr.: 1.343″ and 1.08″.
30 Gr.: .996″ and .780″. My favorite with this powder.
30.5 Gr.: 1.07″ and .794″.
31 Gr.: .989″ and 1.02″.

31 Gr. of H335: Avg: 2633fps, Lo: 2604fps, Hi: 2672fps, ES: 68, SD: 27
32 Gr. of H335: Avg: 2764fps, Lo: 2699fps, Hi: 2830fps, ES: 131, SD: ?
33 Gr. of H335: Avg: 2880fps, Lo: 2867fps, Hi: 2898fps, ES: 31, SD: 13
Accuracy:
31 Gr.: .83″ and .92″.
31.5 Gr.: .85″ and 1.1″.
32 Gr.: 1.1″ and 1.4″.
32.5 Gr.: 1.4″ and 1.26″.
33 Gr.: .98″ and 1.05″. My favorite with this powder.

B: Speer 90 Gr. TNT:
Brass: SSA.
Primer: Winchester WSR.
Crimp: Roll Crimp.
Cannelures: Rolled my own using Corbin cannelure tool.
OAL: 2.280″.
Gun: Ko-Tonics 16″ Chrome Lined 1:11″ twist.
Chrony Distance: (@10′)
Temp: 80.

26 Gr. of H4198: Avg: 2683fps, Lo: 2656fps, Hi: 2704fps, ES: 48, SD: 15
27.5 Gr. of H4198: Avg: 2787fps, Lo: 2766fps, Hi: 2812fps, ES: 46, SD: 18
28.5 Gr. of H4198: Avg: 2854fps, Lo: 2842fps, Hi: 2873fps, ES: 31, SD: 10
Accuracy:
26 Gr.: 1.4″ and 1.2″.
26.5 Gr.: 1.23″ and 1.45″.
27 Gr.: ? and 1.1″.
27.5 Gr.: 1.4″ and 1.2″.
28 Gr.: 1.8″ and 1.4″.
28.5 Gr.: 1.2″ and 1.3″. My favorite with this powder.

30 Gr. of H322: Avg: 2671fps, Lo: 2661fps, Hi: 2682fps, ES: 21, SD: 8
31.5 Gr. of H322: Avg: 2804fps, Lo: 2801fps, Hi: 2812fps, ES: 11, SD: 4
Accuracy:
29 Gr.: 1.43″ and 1.2″.
29.5 Gr.: .93″ and 1.17″.
30 Gr.: .875″ and 1.15″. My favorite with this powder.
30.5 Gr.: 1.5″ and 1.4″.
31 Gr.: 1.46″ and 1.25″.
31.5 Gr.: 1.1″ and 1.7″.

31 Gr. of H335: Avg: 2580fps, Lo: 2539fps, Hi: 2629fps, ES: 85, SD: 26
32 Gr. of H335: Avg: 2677fps, Lo: 2645fps, Hi: 2737fps, ES: 92, SD: 28
33 Gr. of H335: Avg: 2806fps, Lo: 2749fps, Hi: 2836fps, ES: 87, SD: 24
Accuracy:
31 Gr.: 1.34″ and 1.05″. My favorite with this powder.
31.5 Gr.: 1.28″ and 1.57″.
32 Gr.: 1.5″ and 1.65″.
32.5 Gr.: ? and 1.3″.
33 Gr.: Really bad and worse.

C: Hornady 100 Gr. SP:
Brass: SSA.
Primer: Winchester WSR.
Crimp: Roll Crimp.
Cannelures: Rolled my own using Corbin cannelure tool.
OAL: 2.255″.
Gun: Ko-Tonics 16″ Chrome Lined 1:11″ twist.
Chrony Distance: (@10′)
Temp: 70

24.5 Gr. of H4198: Avg: 2516fps, Lo: 2496fps, Hi: 2525fps, ES: 29, SD: 12
25.5 Gr. of H4198: Avg: 2657fps, Lo: 2624fps, Hi: 2693fps, ES: 69, SD: 31
26.5 Gr. of H4198: Avg: 2691fps, Lo: 2682fps, Hi: 2699fps, ES: 17, SD: 6

26.5 Gr. of H322: Avg: 2423fps, Lo: 2411fps, Hi: 2437fps, ES: 26, SD: 11
27.5 Gr. of H322: Avg: 2505fps, Lo: 2478fps, Hi: 2525fps, ES: 47, SD: 17
28.5 Gr. of H322: Avg: 2586fps, Lo: 2564fps, Hi: 2604fps, ES: 40, SD: 14

30 Gr. of H335: Avg: 2554fps, Lo: 2544fps, Hi: 2559fps, ES: 15, SD: 6
31 Gr. of H335: Avg: 2620fps, Lo: 2614fps, Hi: 2629fps, ES: 15, SD: 6

D: Hornady 110 Gr. V-Max:
Brass: SSA.
Primer: Winchester WSR.
Crimp: Roll Crimp.
Cannelures: Rolled my own using Corbin cannelure tool.
OAL: 2.270″.
Gun: Ko-Tonics 16″ Chrome Lined 1:11″ twist.
Chrony Distance: (@5′)
Temp: 80

23.3 Gr. of H4198: Avg: 2397fps, Lo: 2368fps, Hi: 2415fps, ES: 47, SD: 18
24.3 Gr. of H4198: Avg: 2471fps, Lo: 2460fps, Hi: 2482fps, ES: 22, SD: 9
25.3 Gr. of H4198: Avg: 2523fps, Lo: 2515fps, Hi: 2530fps, ES: 15, SD: 6

27 Gr. of H322: Avg: 2435fps, Lo: 2419fps, Hi: 2455fps, ES: 36, SD: 16
28 Gr. of H322: Avg: 2532fps, Lo: 2501fps, Hi: 2569fps, ES: 68, SD: 25
29 Gr. of H322: Avg: 2607fps, Lo: 2569fps, Hi: 2624fps, ES: 55, SD: 21

27.5 Gr. of H335: Avg: 2388fps, Lo: 2372fps, Hi: 2398fps, ES: 26, SD: 9
28.5 Gr. of H335: Avg: 2470fps, Lo: 2446fps, Hi: 2487fps, ES: 41, SD: 16
29.5 Gr. of H335: Avg: 2585fps, Lo: 2544fps, Hi: 2629fps, ES: 85, SD: 32

E: Sierra 110 Gr. Pro-Hunters:
Brass: SSA.
Primer: Winchester WSR.
Crimp: Roll Crimp.
Cannelures: Rolled my own using Corbin cannelure tool.
OAL: 2.280″.
Gun: Ko-Tonics 16″ Chrome Lined 1:11″ twist.
Chrony Distance: (@5′)
Temp: 80

23.3 Gr. of H4198: Avg: 2319fps, Lo: 2294fps, Hi: 2339fps, ES: 45, SD: 18
24.3 Gr. of H4198: Avg: 2408fps, Lo: 2393fps, Hi: 2419fps, ES: 26, SD: 10
25.3 Gr. of H4198: Avg: 2482fps, Lo: 2473fps, Hi: 2496fps, ES: 23, SD: 9
Accuracy:
23.3 Gr.: 1.5″ and 1.38″.
23.8 Gr.: 1.56″ and 1.58″.
24.3 Gr.: 1.18″ and .828″. My favorite with this powder.
24.8 Gr.: 1.53″ and 1.52″.
25.3 Gr.: 1.57″ and .733″.

27 Gr. of H322: Avg: 2396fps, Lo: 2389fps, Hi: 2402fps, ES: 13, SD: 5
28 Gr. of H322: Avg: 2457fps, Lo: 2442fps, Hi: 2482fps, ES: 40, SD: 17
29 Gr. of H322: Avg: 2501fps, Lo: 2496fps, Hi: 2515fps, ES: 19, SD: 5
28.5 Gr. of H322: Chrony Data (@10′): Avg: 2483fps, Lo: 2464fps, Hi: 2515fps, ES: 51, SD: 14
29 Gr. of H322: Chrony Data (@10′): Avg: 2534fps, Lo: 2520fps, Hi: 2544fps, ES: 24, SD: 8
Accuracy:
27 Gr.: 1.61″ and 1.77″.
27.5 Gr.: 1.13″ and .914″.
28 Gr.: 1.16″ and .928″.
28.5 Gr.: .880″ and .849″. My favorite with this powder.
29 Gr.: 1.13″ and .626″.

27.5 Gr. of H335: Avg: 2349fps, Lo: 2339fps, Hi: 2359fps, ES: 20, SD: 7
28.5 Gr. of H335: Avg: 2401fps, Lo: 2389fps, Hi: 2411fps, ES: 22, SD: 8
29.5 Gr. of H335: Avg: 2494fps, Lo: 2455fps, Hi: 2549fps, ES: 94, SD: 34
Accuracy:
27.5 Gr.: .624″ and 1.02″.
28 Gr.: 1.19″ and 1.55″.
28.5 Gr.: 1.63″ and 1.38″.
29 Gr.: 1.18″ and 1.03″. My favorite with this powder.
29.5 Gr.: 1.87″ and 2.02″.

F: SSA 115 Gr. Enhanced SMK:
Brass: SSA.
Primer: Winchester WSR.
Crimp: Roll Crimp.
OAL: 2.240″.
Gun: Ko-Tonics 16″ Chrome Lined 1:11″ twist.
Chrony Distance: (@5′)
Temp: 80

22 Gr. of H4198: Avg: 2184fps, Lo: 2168fps, Hi: 2203fps, ES: 35, SD: 15
23 Gr. of H4198: Avg: 2250fps, Lo: 2240fps, Hi: 2263fps, ES: 23, SD: 9
24 Gr. of H4198: Avg: 2343fps, Lo: 2326fps, Hi: 2351fps, ES: 25, SD: 11
Accuracy:
22 Gr.: 1.03″ and 1.47″.
22.5 Gr.: .757″ and .828″. My favorite with this powder.
23 Gr.: 1.17″ and 1.13″.
23.5 Gr.: 1.67″ and 1.24″.
24 Gr.: 1.44″ and 1.38″.

26.2 Gr. of H322: Avg: 2281fps, Lo: 2196fps, Hi: 2237fps, ES: 41, SD: 15
27.2 Gr. of H322: Avg: 2378fps, Lo: 2372fps, Hi: 2385fps, ES: 13, SD: 5
28.2 Gr. of H322: Avg: 2461fps, Lo: 2442fps, Hi: 2482fps, ES: 40, SD: 18
Accuracy:
26.2 Gr.: 1.62″ and 1.28″.
26.7 Gr.: ? and .886″.
27.2 Gr.: .987″ and .705″. My favorite with this powder.
27.7 Gr.: 1.10″ and 1.50″.
28.2 Gr.: 2.13″ and 1.265″.

27 Gr. of H335: Avg: 2221fps, Lo: 2196fps, Hi: 2237fps, ES: 41, SD: 15
28 Gr. of H335: Avg: 2334fps, Lo: 2322fps, Hi: 2347fps, ES: 25, SD: 10
29 Gr. of H335: Avg: 2444fps, Lo: 2428fps, Hi: 2478fps, ES: 50, SD: 19
Accuracy:
27 Gr.: 1.38″ and 2.05″.
27.5 Gr.: 1.93″ and 1.91″.
28 Gr.: .547″ and .640″. My favorite with this powder.
28.5 Gr.: 1.14″ and .955″.
29 Gr.: 2.09″ and 2.83″.

G: Sierra 115 Gr. SMK:
Brass: SSA.
Primer: Winchester WSR.
Crimp: Roll Crimp.
Cannelures: Rolled my own using Corbin cannelure tool.
OAL: 2.280″.
Gun: Ko-Tonics 16″ Chrome Lined 1:11″ twist.
Chrony Distance: (@10′)
Temp: 80

26 Gr. of H322: Avg: 2253fps, Lo: 2240fps, Hi: 2271fps, ES: 31, SD: 9
28.5 Gr. of H322: Avg: 2470fps, Lo: 2442fps, Hi: 2501fps, ES: 59, SD: 17
29.5 Gr. of H322: Avg: 2553fps, Lo: 2530fps, Hi: 2574fps, ES: 44, SD: 14
 

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Discussion Starter #4
Reloading data for the 18″ Remington 6.8SPC.

INTRO: This is all of my reloading data for the 18″ Remington 6.8SPC.
A: Sierra 90 GR HP:
Weapon:
Bison Armory 18″ SPR.
Optic: SWFA 3-9-44 Super Sniper.
Brass: SSA.
Powder: 28.5 GR of Benchmark.
Crimp: Lee FCD.
OAL: 2.250″ & 2.295.
Chrony Distance: (@5′)
Temp: 92.

OAL 2.250″: (10 rounds).
Hi: 2677 fps, Lo: 2583 fps, Avg: 2650 fps, ES: 94, SD: 26
Accuracy (2 5 round shot groups):
Average: 1.532″ (1.470″ & 1.595″).

OAL 2.295″: (10 rounds).
Hi: 2710 fps, Lo: 2624 fps, Avg: 2661 fps, ES: 86, SD: 29
Accuracy (2 5 round shot groups):
Average: 1.487″ (1.035″ & 1.939″).

B: Sierra 115 GR SMK:
Weapon: Bison Armory 18″ SPR.
Optic: SWFA 3-9-44 Super Sniper.
Brass: SSA.
Crimp: Lee FCD.
Powder: 30 GR of TAC.
OAL: 2.245″.
Chrony Distance: (@5′)
Temp: 92.

Wolf SRM: (10 rounds).
Hi: 2530 fps, Lo: 2460 fps, Avg: 2488 fps, ES: 70, SD: 23
Accuracy (2 5 round shot groups):
Average: 1.280″ (1.280″ & 1.280″).

Wolf 223: (10 rounds).
Hi: 2515 fps, Lo: 2460 fps, Avg: 2481 fps, ES: 55, SD: 16
Accuracy (2 5 round shot groups):
Average: 1.567″ (1.489″ & 1.646″).

CCI #41: (10 rounds).
Hi: 2578 fps, Lo: 2487 fps, Avg: 2542 fps, ES: 91, SD: 27
Accuracy (2 5 round shot groups):
Average: 3.096″ (3.001″ & 3.191″).
 

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Discussion Starter #5
Reloading data for the 20″ Remington 6.8SPC.

INTRO: This is all of my reloading data for the 20″ Remington 6.8SPC.

A: Sierra 90 Gr. HP:
Brass: SSA.
Primer: CCI #41.
Crimp: Lee FCD.
Cannelures: Rolled my own using Corbin cannelure tool.
OAL: 2.260″.
Gun: Ko-Tonics 20″ Chrome Lined 1:11″ twist.
Chrony Distance: (@5′)
Temp: 50.​

28 Gr. of Reloaders7: Avg: 2906fps, Lo: 2892fps, Hi: 2923fps, ES: 31, SD: 15
28.5 Gr. of Reloaders7: Avg: 2935fps, Lo: 2911fps, Hi: 2949fps, ES: 38, SD: 14​

30.5 Gr. of H322: Avg: 2878fps, Lo: 2867fps, Hi: 2886fps, ES: 19, SD: 8
31 Gr. of H322: Avg: 2927fps, Lo: 2886fps, Hi: 2969fps, ES: 83, SD: 38​

32.5 Gr. of H335: Avg: 2863fps, Lo: 2830fps, Hi: 2892fps, ES: 62, SD: 26
33 Gr. of H335: Avg: 2887fps, Lo: 2879fps, Hi: 2904fps, ES: 25, SD: 11​

31 Gr. of AA2230: Avg: 2743fps, Lo: 2721fps, Hi: 2760fps, ES: 39, SD: 14​

32.5 Gr. of X-Terminator: Avg: 2884fps, Lo: 2861fps, Hi: 2911fps, ES: 50, SD: 17​

33.5 Gr. of TAC: Avg: 2872fps, Lo: 2855fps, Hi: 2892fps, ES: 37, SD: 15​

B: Speer 90 Gr. TNT:
Brass: SSA.
Primer: CCI #41.
Crimp: Lee FCD.
Cannelures: Rolled my own using Corbin cannelure tool.
OAL: 2.280″.
Gun: Ko-Tonics 20″ Chrome Lined 1:11″ twist.
Chrony Distance: (@5′)
Temp: 50.​

28.1 Gr. of H4198: Avg: 2945fps, Lo: 2886fps, Hi: 2989fps, ES: 103, SD: 37
28.6 Gr. of H4198: Avg: 2984fps, Lo: 2949fps, Hi: 3016fps, ES: 67, SD: 26​

28 Gr. of Reloaders7: Avg: 2898fps, Lo: 2892fps, Hi: 2904fps, ES: 12, SD: 8
28.5 Gr. of Reloaders7: Avg: 2938fps, Lo: 2911fps, Hi: 2976fps, ES: 65, SD: 23​

30 Gr. of H322: Avg: 2817fps, Lo: 2795fps, Hi: 2855fps, ES: 60, SD: 18
30.5 Gr. of H322: Avg: 2846fps, Lo: 2795fps, Hi: 2866fps, ES: 91, SD: 27
31 Gr. of H322: Avg: 2908fps, Lo: 2861fps, Hi: 2936fps, ES: 75, SD: 22
31.5 Gr. of H322: Avg: 2933fps, Lo: 2911fps, Hi: 2956fps, ES: 45, SD: 15​

32.5 Gr. of H335: Avg: 2832fps, Lo: 2818fps, Hi: 2867fps, ES: 49, SD: 17
33 Gr. of H335: Avg: 2863fps, Lo: 2842fps, Hi: 2936fps, ES: 50, SD: 17​

30.5 Gr. of AA2230: Avg: 2724fps, Lo: 2699fps, Hi: 2754fps, ES: 55, SD: 18
31 Gr. of AA2230: Avg: 2760fps, Lo: 2743fps, Hi: 2783fps, ES: 40, SD: 15​

32 Gr. of X-Terminator: Avg: 2829fps, Lo: 2801fps, Hi: 2861fps, ES: 60, SD: 18
32.5 Gr. of X-Terminator: Avg: 2899fps, Lo: 2873fps, Hi: 2962fps, ES: 89, SD: 29​

C: Hornady 110 Gr. V-Max:
Brass: SSA.
Primer: CCI #41.
Crimp: Lee FCD.
Cannelures: Rolled my own using Corbin cannelure tool.
OAL: 2.280″.
Gun: Ko-Tonics 20″ Chrome Lined 1:11″ twist.
Chrony Distance: (@5′)
Temp: 50​

25.3 Gr. of H4198: Avg: 2624fps, Lo: 2578fps, Hi: 2661fps, ES: 83, SD: 28​

28 Gr. of H322: Avg: 2629fps, Lo: 2604fps, Hi: 2650fps, ES: 46, SD: 15
28.5 Gr. of H322: Avg: 2690fps, Lo: 2666fps, Hi: 2721fps, ES: 55, SD: 18
29 Gr. of H322: Avg: 2688fps, Lo: 2661fps, Hi: 2721fps, ES: 60, SD: 21​

28.4 Gr. of Benchmark: Avg: 2577fps, Lo: 2564fps, Hi: 2599fps, ES: 35, SD: 14
28.7 Gr. of Benchmark: Avg: 2586fps, Lo: 2564fps, Hi: 2604fps, ES: 40, SD: 16
29 Gr. of Benchmark: Avg: 2607fps, Lo: 2574fps, Hi: 2629fps, ES: 55, SD: 24
29.3 Gr. of Benchmark: Avg: 2625fps, Lo: 2614fps, Hi: 2640fps, ES: 26, SD: 11​

29 Gr. of H4895: Avg: 2559fps, Lo: 2525fps, Hi: 2578fps, ES: 53, SD: 17​

29 Gr. of AA2230: Avg: 2532fps, Lo: 2506fps, Hi: 2564fps, ES: 58, SD: 20
29.5 Gr. of AA2230: Avg: 2578fps, Lo: 2544fps, Hi: 2614fps, ES: 70, SD: 25​

29 Gr. of X-Terminator: Avg: 2544fps, Lo: 2520fps, Hi: 2578fps, ES: 58, SD: 19
29.5 Gr. of X-Terminator: Avg: 2578fps, Lo: 2549fps, Hi: 2614fps, ES: 65, SD: 19​

D: Hornady 110 Gr. BTHP/WC:
Brass: SSA.
Primer: CCI #41.
Crimp: Lee FCD.
OAL: 2.245″.
Gun: Ko-Tonics 20″ Chrome Lined 1:11″ twist.
Chrony Distance: (@5′)
Temp: 30​

28 Gr. of H322: Avg: 2621fps, Lo: 2578fps, Hi: 2645fps, ES: 67, SD: 29
28.5 Gr. of H322: Avg: 2651fps, Lo: 2635fps, Hi: 2666fps, ES: 31, SD: 12
29 Gr. of H322: Avg: 2692fps, Lo: 2672fps, Hi: 2704fps, ES: 32, SD: 12​

28.5 Gr. of X-Terminator: Avg: 2448fps, Lo: 2437fps, Hi: 2455fps, ES: 18, SD: 6
29 Gr. of X-Terminator: Avg: 2503fps, Lo: 2492fps, Hi: 2515fps, ES: 23, SD: 9
29.5 Gr. of X-Terminator: Avg: 2540fps, Lo: 2530fps, Hi: 2549fps, ES: 19, SD: 8​

E: Hornady 110 Gr. HP:
Brass: SSA.
Primer: CCI #41.
Crimp: Lee FCD.
Cannelures: Rolled my own using Corbin cannelure tool.
OAL: 2.280″.
Gun: Ko-Tonics 20″ Chrome Lined 1:11″ twist.
Chrony Distance: (@5′)
Temp: 50​

29 Gr. of H322: Avg: 2670fps, Lo: 264fps, Hi: 2693fps, ES: 53, SD: 17​

29 Gr. of Benchmark: Avg: 2598fps, Lo: 2574fps, Hi: 2635fps, ES: 61, SD: 20​

F: Sierra 110 Gr. Pro-Hunters:
Brass: SSA.
Primer: CCI #41.
Crimp: Lee FCD.
Cannelures: Rolled my own using Corbin cannelure tool.
OAL: 2.260″.
Gun: Ko-Tonics 20″ Chrome Lined 1:11″ twist.
Chrony Distance: (@5′)
Temp: 50​

28.5 Gr. of H322: Avg: 2681fps, Lo: 2661fps, Hi: 2704fps, ES: 43, SD: 16
29 Gr. of H322: Avg: 2698fps, Lo: 2677fps, Hi: 2721fps, ES: 44, SD: 15​

28.4 Gr. of Benchmark: Avg: 2544fps, Lo: 2520fps, Hi: 2574fps, ES: 54, SD: 22
28.7 Gr. of Benchmark: Avg: 2560fps, Lo: 2549fps, Hi: 2569fps, ES: 20, SD: 8
29 Gr. of Benchmark: Avg: 2586fps, Lo: 2564fps, Hi: 2599fps, ES: 35, SD: 15
29.3 Gr. of Benchmark: Avg: 2605fps, Lo: 2569fps, Hi: 2635fps, ES: 66, SD: 28​

25.5 Gr. of Reloaders7: Avg: 2574fps, Lo: 2559fps, Hi: 2594fps, ES: 35, SD: 13​

G: Hornady 115 Gr. BTHP:
Brass: SSA.
Primer: CCI #41.
Crimp: Lee FCD.
OAL: 2.235″.
Gun: Ko-Tonics 20″ Chrome Lined 1:11″ twist.
Chrony Distance: (@5′)
Temp: 50​

28.2 Gr. of H322: Avg: 2576fps, Lo: 2544fps, Hi: 2599fps, ES: 55, SD: 15​

H: SSA 115 Gr. Enhanced SMK:
Brass: SSA.
Primer: CCI #41.
Crimp: Lee FCD.
OAL: 2.235″.
Gun: Ko-Tonics 20″ Chrome Lined 1:11″ twist.
Chrony Distance: (@5′)
Temp: 50​

24 Gr. of H4198: Avg: 2459fps, Lo: 2437fps, Hi: 2482fps, ES: 45, SD: 16​

28.2 Gr. of H322: Avg: 2558fps, Lo: 2539fps, Hi: 2574fps, ES: 35, SD: 11​

29 Gr. of H335: Avg: 2526fps, Lo: 2501fps, Hi: 2564fps, ES: 63, SD: 20​

28.5 Gr. of Benchmark: Avg: 2515fps, Lo: 2460fps, Hi: 2544fps, ES: 84, SD: 24​

29 Gr. of H4895: Avg: 2496fps, Lo: 2469fps, Hi: 2539fps, ES: 70, SD: 25​

28.5 Gr. of AA2230: Avg: 2458fps, Lo: 2428fps, Hi: 2482fps, ES: 54, SD: 16
29 Gr. of AA2230: Avg: 2503fps, Lo: 2482fps, Hi: 2530fps, ES: 48, SD: 15​

28.5 Gr. of X-Terminator: Avg: 2463fps, Lo: 2437fps, Hi: 2482fps, ES: 45, SD: 15
29 Gr. of X-Terminator: Avg: 2504fps, Lo: 2464fps, Hi: 2520fps, ES: 56, SD: 18​

I: Nosler Ballistic Tip 130 Gr. Spitzer:
Brass: SSA.
Primer: CCI #41.
Crimp: Lee FCD.
Cannelures: Rolled my own using Corbin cannelure tool.
OAL: 2.280″.
Gun: Ko-Tonics 20″ Chrome Lined 1:11″ twist.
Chrony Distance: (@5′)
Temp: 50​

27.5 Gr. of H335: Avg: 2251fps, Lo: 2225fps, Hi: 2275fps, ES: 50, SD: 16​

J: Sierra 130 Gr. SBT:
Brass: SSA.
Primer: CCI #41.
Crimp: Lee FCD.
Cannelures: Rolled my own using Corbin cannelure tool.
OAL: 2.280″.
Gun: Ko-Tonics 20″ Chrome Lined 1:11″ twist.
Chrony Distance: (@5′)
Temp: 50​

26 Gr. of H322: Avg: 2331fps, Lo: 2302fps, Hi: 2385fps, ES: 83, SD: 26​

29 Gr. of TAC: Avg: 2237fps, Lo: 2182fps, Hi: 2290fps, ES: 108, SD: 34​

25 Gr. of H4895: Avg: 2121fps, Lo: 2067fps, Hi: 2182fps, ES: 115, SD: 35​

27.5 Gr. of AA2230: Avg: 2353fps, Lo: 2326fps, Hi: 2393fps, ES: 67, SD: 19​

27.5 Gr. of X-Terminator: Avg: 2343fps, Lo: 2331fps, Hi: 2368fps, ES: 37, SD: 10
28.5 Gr. of X-Terminator: Avg: 2415fps, Lo: 2406fps, Hi: 2428fps, ES: 22, SD: 8​

K: Sierra 135 Gr. SMK:
Brass: SSA.
Primer: CCI #41.
Crimp: Lee FCD.
Cannelures: Rolled my own using Corbin cannelure tool.
OAL: 2.280″.
Gun: Ko-Tonics 20″ Chrome Lined 1:11″ twist.
Chrony Distance: (@5′)
Temp: 50​

25 Gr. of H322: Avg: 2221fps, Lo: 2175fps, Hi: 2256fps, ES: 81, SD: 24​

26.5 Gr. of TAC: Avg: 2154fps, Lo: 2109fps, Hi: 2185fps, ES: 76, SD: 21​

27 Gr. of X-Terminator: Avg: 2282fps, Lo: 2263fps, Hi: 2298fps, ES: 35, SD: 11
28 Gr. of X-Terminator: Avg: 2346fps, Lo: 2335fps, Hi: 2355fps, ES: 20, SD: 7​

————————————————————————————-​

FACTORY AMMO:
Hornady 110 Gr. V-Max:
Gun: Ko-Tonics 20″ Chrome Lined 1:11″ twist.
Chrony Distance: (@5′)
Temp: 50
Avg: 2620fps, Lo: 2594fps, Hi: 2650fps, ES: 56, SD: 18​

Hornady 110 Gr. BTHP TAP:
Gun: Ko-Tonics 20″ Chrome Lined 1:11″ twist.
Chrony Distance: (@5′)
Temp: 70
Avg: 2697fps, Lo: 2677fps, Hi: 2726fps, ES: 49, SD: 18​
 

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Discussion Starter #6
6.8SPC Velocity Differences Between a 14″, 16″, and a 20″ Barrel:

Here are the velocity differences between a 14″, 16″, and a 20″ Barrel:
14″ Barrel: Ko-Tonics 16″ chrome lined barrel with the 1:11″ twist.
16″ Barrel: Ko-Tonics 16″ chrome lined barrel with the 1:11″ twist.
20″ Barrel: Ko-Tonics 20″ chrome lined barrel with the 1:11″ twist.

Sierra 90 Gr. HP with 28.5 Gr of H4198:
16″ Barrel: 2902 fps Average.
14″ Barrel: 2796 fps Average.
Difference: -105 fps.

Sierra 90 Gr. HP with 31 Gr of H322:
20″ Barrel: 2927 fps Average.
16″ Barrel: 2821 fps Average.
Difference: -106 fps.
14″ Barrel: 2607 fps Average.
Difference: -214 fps.

Speer 90 Gr. TNT with 31.5 Gr of H322:
20″ Barrel: 2933 fps Average.
16″ Barrel: 2804 fps Average.
Difference: -129 fps.

Speer 90 Gr. TNT with 30 Gr of H322:
20″ Barrel: 2817 fps Average.
16″ Barrel: 2671 fps Average.
Difference: -146 fps.

Speer 90 Gr. TNT with 28.6 Gr of H4198:
20″ Barrel: 2984 fps Average.
16″ Barrel: 2854 fps Average.
Difference: -130 fps.
14″ Barrel: 2821 fps Average.
Difference: -33 fps.

Speer 90 Gr. TNT with 32 Gr of X-Terminator:
20″ Barrel: 2829 fps Average.
14″ Barrel: 2676 fps Average.
Difference: -153 fps.

Speer 90 Gr. TNT with 32.5 Gr of X-Terminator:
20″ Barrel: 2899 fps Average.
14″ Barrel: 2747 fps Average.
Difference: -152 fps.

Hornady 110 Gr. BTHP w/Cannelures with 29 Gr of H322:
20″ Barrel: 2692 fps Average.
14″ Barrel: 2462 fps Average.
Difference: -230 fps.

Hornady 110 Gr. V-Max with 29 Gr of H322:
20″ Barrel: 2688 fps Average.
16″ Barrel: 2607 fps Average.
Difference: -81 fps.
14″ Barrel: 2436 fps Average.
Difference: -171 fps.

Hornady 110 Gr. V-Max with 25.3 Gr of H4198:
16″ Barrel: 2523 fps Average.
14″ Barrel: 2456 fps Average.
Difference: -67 fps.

Hornady 110 Gr. V-Max with 29.5 Gr of H335:
16″ Barrel: 2585 fps Average.
14″ Barrel: 2403 fps Average.
Difference: -182 fps.

Sierra 110 Gr. Pro-Hunters with 29 Gr of H322:
20″ Barrel: 2670 fps Average.
16″ Barrel: 2534 fps Average.
Difference: -136 fps.
14″ Barrel: 2400 fps Average.
Difference: -134 fps.

Sierra 110 Gr. Pro-Hunters with 29.5 Gr of H335:
16″ Barrel: 2494 fps Average.
14″ Barrel: 2423 fps Average.
Difference: -71 fps.

SSA 115 Gr. Enhanced SMK with 28.2 Gr of H322:
20″ Barrel: 2558 fps Average.
16″ Barrel: 2461 fps Average.
Difference: -97 fps.

SSA 115 Gr. Enhanced SMK with 24 Gr of H4198:
20″ Barrel: 2459 fps Average.
16″ Barrel: 2343 fps Average.
Difference: -116 fps.<!-- / message --><!-- sig -->
 
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