Short 3.7oz .308 Carbine Buffer for using AR15 carbine stock on .308 Platform Rifle

.308 Carbine Buffer is a necessary component for shooters wishing to use their AR-15 carbine stock on their .308 platform rifle. Full sized AR-15 Buffers are too-long for AR308 bolts to properly cycle, but this heavy (3.8oz) shortened bolt allows for reliable cycling! Modified AR-10 Buffer Spring is recommended for maximum reliability.For AR-15 Carbine buffer tubes (Mil-Spec / Commercial) ONLY. Will not work with Rifle (A1/A2) or GI 8" Receiver Extensions.Length: 2.55 inchWeight: 3.7 oz