Introducing the ODIN Works Heavy AR-15 9mm Carbine Buffer. The ODIN Works Heavy Buffer is built to run with Forced Reset Triggers. It offers a simplified, performance-driven approach to blowback PCC tuning, delivering consistent cycling and recoil control without the need for adjustment. Designed to run smoothly on a variety of setups, this buffer achieves increased weight and pairs with an (included) proprietary spring for reliable operation. Aids in reliable cycling with a Forced Reset Trigger in AR-9 platforms, manages recoil impulse, and reduces wear on moving components. Features8.6 oz303 Stainless Steel BodyIncludes proprietary springAids in reliable function with a Forced Reset Trigger or a high rate of fireReduces wear on moving partsCompatible with standard AR-9 platformsDesigned for Carbine-length buffer tubes.Must be used with proprietary spring (included) Note: Due to the wide variety of AR-platform configurations, the ODIN Works H-FRT Buffer may not function optimally i...