Cmmg Barrel Sub-Assembly 308 Winchester - 12.5" Bbl Sub-Assy Mc 1-10 5/8-24" Black Nitride
Cmmg
Description
Perfect for building your custom MK3 upper group. Comes with a properly installed barrel extension. All barrel sub-assemblies are properly headspaced. For .308 Winchester Rifles 12.5" Barrel Length Me... Read more
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Brownells
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