Blackstone Arms LLC is a small custom firearms company Located in Argyle, TX that is founded on quality, accuracy and great customer service. We specialize in building AR platform uppers in 6.8SPC and 5.56mm. Our uppers are built to your specifications with satisfaction guaranteed. If you don't find what you are looking for in the store, please contact us as we will do our best to handle all you needs.

Each upper is hand assembled using high quality components, excellent craftsmanship and attention to detail. All uppers built by Blackstone Arms are guaranteed to shoot 1 MOA or better with quality ammunition.


Authorized dealer for AR Performance, Aero Precision, SLR Rifleworks, Troy Industries, PRI, Black River Tactical, Magpul, Gisele and many others

***Blackstone Arms LLC does not export. By Shopping here you acknowledge and agree to our ITAR Export Policy***