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
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