Luth-AR BS-A2K A2 Fixed Buttstock Kit with Spacer Black AR-15

The Luth-AR BS-A2K is an A2-style fixed buttstock kit built for the AR-15 platform and finished in Black. Designed by Luth-AR as a complete stock assembly solution, this kit supplies every major component needed to install the classic military-pattern A2 stock on your rifle.

The kit includes the fixed A2 buttstock, mounting spacer, buffer tube, buffer, and recoil spring, giving you everything required to complete the installation in a single package. The fixed A2 stock delivers the proven ergonomics and shoulder weld of the military-pattern design, while the included spacer sets a comfortable length of pull for most shooters. Whether you are finishing a retro carbine clone, replacing a worn mil-spec stock, or putting together a no-frills defensive build, the BS-A2K is a straightforward, no-guesswork upgrade for your AR-15.