AR15 Carbine Buffer Kit

The Aero Precision AR-15 Carbine Buffer Kit includes a MIL-SPEC diameter, 6-position receiver extension machined from 7075-T6 aluminum. A standard carbine recoil buffer, spring, end plate and castle nut are also included. NOTE: Buttstock not included. Weight: 9.8 oz SPECIFICATIONS Buffer3.25 Carbine - Standard 3.00 ozPlatformAR-15TypeStock Hardware Kit