SBA AR-15 Pistol Brace Fits on Standard Carbine MIL-SPEC Buffer Tube we can ship, we will ship to the lower 48 for $12.95 ea.. You can purchase from our web site mrarmsnewmexico.com in Accessories- AR-15 Parts. Please do not purchase from this site go to mrarmsnewmexico.com assesories, AR-15 Parts and purchasae from there