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Proof Research 12.5" 300BLK Carbon Fiber 1:7 Pistol AR-15 Barrel
Proof Research
MSRP: $999.00$899.00Proof Research 12.5" 300BLK Carbon Fiber 1:7 Pistol AR-15 Barrel Proof Research’s Caliber Matched Gas System results in a gas system tuned for the cartridge and length of the barrel. With...MSRP: $999.00$899.00