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Noveske 4th Generation precision machined billet receiver from 7075-T6 aluminum w/extended feed ramps
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Picatinny mil-standard 1913 top rail with Noveske Cross
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Hardcoat type III anodizing
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Featuring anti-rotation interface with handguard
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Receiver designed to match the profile of Noveske 4th Generation handguards
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N4 barrel nuts are threaded 1 7/16x 18 TP