CMMG Barrel 308 Win 12.5″ Barrel 1:10 Twist Mid-length Gas Salt Bath Nitride

Perfect for building your custom MK3 upper group. Comes with properly installed barrel extension. All barrel sub-assemblies are properly headspaced. ALL NFA RULES APPLY

Features :

* “12.5”;”Medium Taper Profile”
* 4140CM
* Salt Bath Nitride Finish Inside and Out
* 1:10 Twist
* 308 WIN Chamber (also accepts 7.62×51 NATO)
* Threaded 5/8-24
* Mid-Length Gas Port
* .750 Gas Journal