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5.56mm FSB Combat Barrels


Our Combat FSB barrels use a traditional Government taper, are 1:7 twist, 5.56mm NATO chambered, 4150CMV steel, and QPQ treated inside and out.

They have F-Marked FSB towers (taper pinned), and include USGI barrel nuts, Delta Ring assemblies, and handguard caps.

Select from 11.5″ (carbine length), 13.9″ (midlength), 16″ (midlength), and 20″ (rifle length).

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