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.308 gas piston system


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  • 2 years later...

The piston idea makes the action super smooth as well, no drag with the gas rings or build up on them. Having just a piston without rings works within the BCG as well. I modified my bolt by removing the gas rings and having it welded up and then machined back down to a .001 slip fit back into the carrier. The rifle functions great and saw an increase in accuracy as well.

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