Centerfire Rifles - Semiautomatic or Gas Operated
> Monolithic Upper with Piston System
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Monolithic Upper with Piston System
05-13-2010, 12:46 PM
Which monolithic uppers are compatible with piston systems besides the mega machine setup?
Thanks in advance
05-13-2010, 1:17 PM
05-13-2010, 1:19 PM
Get a factory piston/monolitchic setup straight from the factory. LMT.
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