Presma AR-15 Buffer Kit w/ 9.3" Buffer Tube

DESCRIPTION- 9.3" Round Buffer Tube, outer diameter 1.25"- Castle Nut- Receiver End Plate- Recoil Spring (Carbine)- Recoil Buffer (Carbine)Will not work with Mil-Spec, Commercial or A2 Rifle stocks.Tube has a welded disc about 7 inches in, allowing it to be used with regular length spring and recoil buffer. Disc has a hole to allow gas flow.