Buy online cheap, best, affordable and inexpensive AR-15 fixed rifle stock a1 a2 buffer tube kit 223/5.56 that includes mil-spec rifle length buffer tube, rifle length buffer spring of 39 Coils, screw length of 1.18'' 30mm and can screw inside diameter of 2mm gas vent port. Visit https://www.ar15handguard.com/a2-buffer-tube-kit-rifle-length-fixed-stock-buffer-tube-kit-a1-a2-ar15-223-5-56-rbt
 

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