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Discussion Starter #1
Anyone know the exact differences between 6.8mm SPC (brass case) ammo and the new True Velocity’s 6.8mm composite case ammo?
Like how much more powder the composite case will hold, over the brass case?
 

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At this point, the contenders for the NGSW are not releasing much information. There has been some speculation that the three contenders will operate at a significantly higher chamber pressure than 7.62x51, but we don't know for certain. The press release implies that the True Velocity cartridge has already been won the competition, but that is not the case.
 

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Discussion Starter #5
Amount of powder

Still trying to figure out how much powder the true Velocity 6.8mm will hold, compared to the 6.8mm SPC II?
 

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Not much info out there about them yet. I think the one cartridge that has the most info is probably SIG. Since they decided to make a civilian version in the .277 Fury already.
Sig shipped NGSW systems to the Army for testing and evaluation about June 1. Not the True Velocity cartridge but the performance should be quite similar.
 
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