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CMMG 5.7x28 AR-15 Barrel/BCG Kit 8" Barrel SBN Black
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$405.54
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SKU: ZA57D88C3
Overview
Cmmg barrel w/bolt kit 5.7x28m m 8" rdb black Other Features: Medium taper, 1:9 twist, 4140 chrome moly, salt bath nitride finish, threaded 1/2"x28" radial delayed blowback bolt, requires enlarged ejection port for reliable operation, includes bolt and barrel