Shop Foxtrot Mike Products here at Primary Arms for the best deals and the best service! We carry FM products: ar9 uppers, ar9 lowers, & more.

Foxtrot Mike FM-9 Semi-Automatic AR-15 Pistol 9mm 5" Threaded Barrel - 7920-9MM-5 W / Free Sylvan Pistol Brace. Notify me when available!

The FM-9 models, the FM-9 Elite and FM-9 Minimalist, both machined from the same components for extreme durability. Three barrel lengths are available for both models with the Minimalist …

Start your AR-9 build off right with the FM Products 9mm complete lower receiver. Because the AR9 lower is machined directly from billet, it allows FM Products to add features like an …

Start your AR-9 build off right with the FM Products 9mm stripped lower receiver. Because the AR9 lower is machined directly from billet, it allows FM Products to add features like an …

Start your AR-9 build off right with the FM Products 9mm stripped lower receiver. Features: Because the AR9 lower is machined directly from billet, it allows FM Products to add features …

Almost every 9mm AR will feed just fine with a standard carbine spring, and even Colt's 9mm select-fire submachine gun uses a standard carbine spring. The best match for most builds …

The Foxtrot Mike Products MIKE-9 AR9 Complete Billet Lower Receiver is made from billet aluminum with a black hardcoat anodized finish for added durability. It comes with a 6.5 oz. …

This new Foxtrot Mike FM-9 is truly incredible and a really great bang for your buck. This blowback 9mm pistol comes with a smooth pistol length buffer tube and buffer/recoil spring …

Your pistol caliber lower receiver will be transformed into a more versatile offering when you install this FM Products FM-9 AR 9mm Forward Charging Upper Receiver w/ Micro Brake.