CMMG Barrel Sub-Assm 18.0inch HT 416SS 308 Win
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$312.99
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$312.99
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Updated
Aug 26, 2026
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Description
Perfect for building your custom MK3 upper group. Comes with properly installed barrel extension. All barrel sub-assemblies are properly headspaced. 18? Heavy Taper Profile 416 Stainless Steel Bead Blasted Finish 1:10 Twist 308 WIN Chamber Threaded 5/8-24 Rifle Length Gas Port .936? Gas Journal