Proof Research CF PR15 6.5 Grendel Barrel, 20", Black - PROOF 100509

Direct impingement 6.5 Grendel barrel featuring a carbon fiber/416R stainless steel construction with a 1:8 twist rate and 5/8-24 threads. The 0.875" gas block diameter accommodates standard AR-15 components, with M4 feed ramps included for reliable feeding. This match-grade barrel delivers reduced weight, improved heat dissipation, and minimized harmonic vibration for consistent accuracy during sustained fire.