This UTG® A2 receiver extension tube kit is for mounting A2 fixed rifle buttstock to your AR-15 like the M16A2 stock. The AR-15/M16 A2 rifle buffer tube assembly includes rifle length extension tube, buffer, spring, A2 stock spacer and stock screw. The A2 rifle length extension tube is CNC machined from 6061-T6 aluminum with a hard coat anodized black finish. This kit is designed for only for the 223/5.56 AR-15/M16 rifle length platform. A2/A1 Stock is not included. UTG Limited Lifetime Warranty.
Fits Mil-Spec Standard A2/A1 Fixed Stocks. For 5.56/.223 AR-15’s Only.
Note: If You Need AR-15 233/5.56 A2 Fixed Stock With The Buffer Tube Assembly Get Item # RB-T308FB
Note: If You Need AR308, AR10 A2 Style Fixed Buttstock With Buffer Tube Assembly Get Item # RB-T308FB