The AR 15 UTG® A2 Receiver Extension Buffer Tube Kit assembly is for mounting an A1/A2 buttstock and includes a rifle-length receiver extension tube, a2 rifle length buffer, buffer spring, A2 stock spacer and a screw. The AR 15/M16 A2 rifle-length receiver extension buffer tube in this kit is CNC machined from 6061-T6 aluminum and hard anodized with a matte black finish. The UTG A2 rifle buffer tube assembly kit is great for upgrading your AR 15 to an A2/A1 style fixed buttstock it is designed specifically for 223 5.56 AR 15/M16 rifles. This UTG A2 buffer tube kit has a limited lifetime warranty.
This kit fits standard Mil-Spec A1, A2 stocks for AR-15/M16 Rifles in 5.56,.223 calibers Only.
Note: If You Need AR-15 233/5.56 A2 Fixed Stock With The Buffer Tube Assembly Get Item # RB-T469B
Note: If You Need LR-308, AR10 A2 Style Fixed Buttstock With Buffer Tube Assembly Get Item # RB-T308FB
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