Caliber: 5.56 NATO/223 Rem. Noveske’s forged product offering is based on a hybrid of Gen 1 and Gen 4 designs. Barrel: 16" 416R stainless, 1:7" twist. Hand-polished Noveske match chamber, mid-length gas tube system. Noveske marked gas block: Low profile, .750" journal, pinned to the barrel. M4 barrel extension w/extended hand-polished feed ramps, ½x28 muzzle threads with an A2 birdcage flash hider. Noveske Chainsaw forged upper receiver w/extended feed ramps. It features a Radian Raptor LT charging handle. The phosphate-coated bolt carrier is full-auto compatible, and the chrome-lined carrier bore and key are also available. It has a properly staked Grade-8 American-made gas key bolts. The phosphate bolt was made from Carpenter 158 heat-treated steel, MPI tested. GEN 4 NSR-15 (M-LOK) free-floating handguard and a flared magazine well, plus a Magpul-enhanced aluminum triggerguard. It features an ALG Defense Advanced Combat Trigger. Stock: Magpul MOE SL. Grip: Magpul MOE K2. Length collapsed: 35.25". 6.8 lbs. It includes one 30-round Gen 3 PMAG. Introduced in 2022.