Guntec USA AR-15 Mil-Spec Buffer Tube Set 6-position CAR Buffer/Spring/End Plate/Castle Nut Black MILTUBESET. These AR15 Lower Parts by Guntec USA are constructed from T6 aluminum for a durable yet lightweight platform. This Guntec USA AR-15...
Guntec USA AR-15 Mil-Spec Buffer Tube Set 6-position CAR Buffer/Spring/End Plate/Castle Nut Black MILTUBESET. These AR15 Lower Parts by Guntec USA are constructed from T6 aluminum for a durable yet lightweight platform. This Guntec USA AR-15...