Calibers: 22 LR, 22 ARC, 5.56 NATO/223 Rem., 223 Wylde, 224 Valkyrie, 6mm ARC, 6.5 Grendel, 7.62x39, 300 BLK. NEMO (New Evolution Military Ordnance) Arms acquired 2A Armament in March 2023. They are based in Caldwell, Idaho. NEMO will honor all 2A Armament warranties. They are built to order. Nickel boron-coated bolt carrier group. Receivers: Small-frame NEMO matched billet upper and lower receiver set, 7075-T6 aluminum with full ambi' (safety, mag and bolt release). Handguard/Forearm: 15" 6061 extruded aluminum, M-LOK modular rail. Heat-dissipating barrel nut, 7075-T6 aluminum. Bolt: High-pressure bolt 9310 steel. Heat-treated, cryo’d, shot-peened, MPI. Battle-Light SYN-COR is an integrally suppressed—short-stroke piston-driven gas system. The pinned suppressor sleeve keeps the rifle NFA/ATF compliant as a rifle, not SBR. 11.5” barrel, 1:8" twist; 416 stainless steel. Overall Length: 35.5". Weight: 8 lbs. Battle-Light 22 ARC Steel (2024) has a 20" barrel, 8.4 lbs. Battle-Light Carbon models have Proof Research carbon-fiber-wrapped barrels—weight: 7.54 lbs. The Battle-Light 22 LR has a 16" barrel, and is 31" OAL. Weight: 8 lbs.