The ATI A.5.10.2518 AR-15 pistol buffer tube assembly kit fits most AR-15 and AR Variants on the market. This AR15 pistol buffer tube kit for sale includes, pistol short buffer tube with Military mil-spec diameter threads to fit into receiver, steel military grade e-coated castle nut and locking ring and AR-15 buffer recoil plug, buffer spring and AR-15 pistol buffer tube foam cover. Manufactured in the USA. ATI Limited Lifetime Warranty.
Note: Not Compatible with AR-10 or .308 Rifles. Note: To use the ATI Pistol Buffer on AR-15 in a pistol configuration you must use an AR-15 lower receiver designated as a pistol that abides by all state and federal regulations.
We suggest you get a up grade AR-15 Pistol Grip Screw and Lock Washer Item # ARSW OR ARPGSLT.