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14.5″ Piston 5.56 NATO
14.5″ Piston Chrome Lined 5.56×45 (.223) 1:7″ RH twist barrel
Designed for the LMT monolithic receiver, this barrel utilizes a piston operating rod and has an A2 birdcage for reduced flash. The barrel is coated and cryogenically treated for long term durability.
12 in / 304 mm