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.

Only 6 Left! 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!

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 …

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. Features: Pistol Grip may vary. Because the AR9 lower is machined directly from billet, it allows FM Products …

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 …

This blowback 9mm pistol comes with a smooth pistol length buffer tube and buffer/recoil spring combination tuned to cycle a wide variety of ammunition reliably.This model features a 5" …

FM Products FM-9 AR 9mm Forward Charging Upper Receiver w/ Micro Brake FM9-FS-109 Caliber: 9mm Luger, Barrel Length: 8.5 in, w/ Free Shipping 3.5 rating with 6 reviews review & …

This Foxtrot Mike Products AR9 lower receiver features a hybrid polymer design combining the light weight of polymer and the durability of aluminum. It features aluminum inserts in all the …