Ensures Snug Barrel Fit For Proper Alignment & Accuracy
Machined 4140 chrome-moly steel barrel extensions help the custom rifle builder ensure a secure barrel fit for best alignment and accuracy. Heat treated for surface hardness to give years of reliable service. Available for M4 carbine extension with feed ramp cuts. AR-Style .308 extension fits the DPMS LR-308 and other .308s with the same thread pattern, plus it offers M4-style feed ramp cuts to ensure extra reliability in getting rounds from the magazine to the chamber. All models have pre-drilled locator pin hole; locator pins available separately.
AR-15, Issue:07, Page:017
Big Book Catalog, Issue:64, Page:017
SPECS: 4140 chrome-moly steel, in-the-white. AR-Style .308 -1.200" O.D., .940" I.D., w/M4-style feed ramps. Fits DPMS LR-308, Remington R-25, and other AR-Style .308 rifles with same receiver thread pattern.