You've picked from great uppers and lower for your .308 custom build. Now is the time to outfit that bad boy with a barrel! Select your preferred barrel material, length, and barrel profile.
All barrels feature button rifling with a twist rate of 1:10 inch, .750 diameter gas block journal, 5/8x24 muzzle threads, and come assembled with a DPMS (.308) barrel extension.
All stainless barrels are made from 416R stainless steel, and are glass bead finished. All 4150 CMV barrels feature a corrosion resistant QPQ finish.
Gas port positions and port diameters:
- 12.5" barrels feature a carbine gas port location with a port diameter of .067
- 16" barrels feature a mid length gas port location with a port diameter of .073
- 18" barrels feature a rifle length gas port location with a port diameter of .089
- 20" barrels feature a rifle length gas port locaiton with a port diameter of .086