Home / AR's / ODIN Works – Tunable Gas Block – Stainless steel, fits .750″ diameter barrels, tunable gas block designed to perfectly tune your rifle – ODIN Works – Tunable Gas Block – Stainless steel, fits .750″ diameter barrels, tunable gas block designed to perfectly tune your rifle – Category: AR's Product ID: 12521 Description Description ODIN Works – Tunable Gas Block – Stainless steel, fits .750″ diameter barrels, tunable gas block designed to perfectly tune your rifle – Related products Birchwood Casey Barricade Pen Rust Protection – 1 fl. Oz pen Blackhawk Knoxx AR Pistol Grip – FDE Pachmayr Grip – Part No. 05008 – Colt 1911 Semi – Auto Pistol GM – 45G VISM Rubberized Grip for AR Platforms – Part No. VG123