LMT AR15/M4 Collapsible Receiver Extension, Buffer Tube Kit
This stock kit allows the installation of a carbine receiver extension and collapsible stock on a AR15. Does not include a stock.
The LM556BTK is a receiver extension parts kit complete with a dry-film lubricated milspec receiver extension, recoil spring, end plate, castle nut and 3oz carbine buffer. This kit is ready for install and addition of your favorite milspec stock of choice.
*Remember proper torque spec and staking is strongly suggested when installing this kit.
Kit Contents:
(1x) AR15/M4 Receiver Extension
(1x) AR15/M4 Carbine Action Spring
(1x) 3oz Carbine Buffer
(1x) QD Receiver End Plate
(1x) Castle Nut
Mark (verified owner) –
Kit as perfect for upgrading my wife’s rifle, also enjoyed the ramen that came with it
Jeff (verified owner) –
Very nice. Very grey. Strong. Stiff. Round. Straight.
Much like myself.
Bryan C. (verified owner) –
Fast shipping. Amazing customer service. The tube is well made and coated with dry lube. Includes a premium buffer, spring qd end plate and castle nut. Great for the money.
D T. (verified owner) –
Slick tube, pun intended. Definitely smoother less expensive options.