(Item Code: 556M7T-10.5) 5.56 CALIBER STAINLESS STEEL 416R ROCKWELL C 30-32 7 POLY TWIST MEDIUM CONTOUR 5.56MM V SEVEN MATCH CHAMBER V SEVEN ULTRA MATCH LAPPED 1/2X28 THREADS WEIGHS 22.6 OZ W/ GAS BLOCK FLUTED VERSION WEIGHS 21 OZ W/ GAS BLOCK LIFETIME WARRANTY REGARDLESS OF ROUND COUNT SHIPS...
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