Carbine style AR-10's typically have a severely over gassed cycle system. An over gassed system, paired with a light factory buffer, equals a recipe for pre-mature internal component destruction. Help protect valuable internal components, like triggers, by upgrading your AR-10 Carbine buffer to a KVP 5.6oz AR-10 buffer. NOTE: Due to tungsten weight variation actual buffer weight may vary slightly +/- 5%. FeaturesUse in AR-10 Carbine Rifle SystemsSlows the recoil action of AR-10's5.6-5.8oz (due to potential tungsten weight variation)2.5" OALStainless Steel BodyHeavy Tungsten InternalsIncreases Reciprocating mass and weapon reliabilityReduces wear on critical internal partsReduces felt recoilDesigned only for Carbine Length Stock and pistol kits