Calibers: 22 ARC, 6mm ARC. Geissele Freedom Rifle (GFR). Barrels: 14.5”, 16”, 18”, 20”, chrome-lined, precision machined, cold hammer-forged. Geissele Anti-Strike Super Compact Gas Block, GFR-E trigger. Nanoweapon-coated 6mm ARC enhanced bolt carrier group, chrome-lined gas key with staked screws, advanced tool-steel cam pin, extended carrier rails, and 6mm ARC GFR Stressproof Bolt. GFR uppers have properly heat-treated stainless steel cam races. Ambidextrous Geissele Super Charging Handle, HUXWRX Flash Hider-QD 6MM ARC suppressor-ready muzzle device. Nanoweapon-coated HUXWRX Flash Hider-QD muzzle device. MK16 Super Modular Rail, Super 42 Buffer system. One eight-round Geissele 6mm ARC magazine. ICM magazines are also available in 15-, 20-, and 30-round counts. Introduced 2022. MOD1 (2026) includes ambidextrous controls. Values are for the GFR MOD1 6 ARC, 16″ black, GFR MOD1 6 ARC RECCE, 18″ black, and GFR MOD1 22 ARC Stratomatch, 20″ black variants.