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It appears to be well established that the most appropriate configuration for a 16" barrel is: Mid gas, standard power carbine spring, carbine buffer.

I have a 16" barrel with carbine gas and I have an adjustable gas block that I have tuned, but I'm curious if because I have carb gas maybe a different spring and buffer combo would make it even more optimal?
 

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It appears to be well established that the most appropriate configuration for a 16" barrel is: Mid gas, standard power carbine spring, carbine buffer.

I have a 16" barrel with carbine gas and I have an adjustable gas block that I have tuned, but I'm curious if because I have carb gas maybe a different spring and buffer combo would make it even more optimal?
The most appropriate way to tune an AR is with an adjustable gas block. Adding heavier buffers and springs IMO is a waste of money unless you have a situation where you can not tune it with an adjustable gas block.

Sent from a final firing position, the crosshairs are on you!
 

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It appears to be well established that the most appropriate configuration for a 16" barrel is: Mid gas, standard power carbine spring, carbine buffer.

I have a 16" barrel with carbine gas and I have an adjustable gas block that I have tuned, but I'm curious if because I have carb gas maybe a different spring and buffer combo would make it even more optimal?
No.................:a21:
 

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I built mine with an 18" mid length barrel and run a Syrac Adjustable block. It was great being able to dial it in to perfection...
 

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With adjustable gas, you can use lighter-weight reciprocating parts if you want. My 6.8 rifles have lighter-than-normal carriers, 1 oz buffers and special light springs from Taccom. However, it seems the margin of error narrows with these lighter components. The ultimate in reliability, it seems, is a rifle-length receiver extension with standard rifle buffer and spring. - CW

http://www.taccom3g.com/enhanced-carbine-spring.html
 
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