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 coming with a fixed barrel and the Elite features a quick-change barrel and quad rail forend.

Built exclusively for Primary Arms. The Foxtrot Mike Products blast diffuser extends past the 5.5” M-LOK handguard and directs all the excess gas and concussion of your shots forward instead of the sides, making this much more enjoyable to shoot at indoor ranges.

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 combination tuned to cycle a wide variety of ammunition reliably.

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 integral trigger guard and a magwell designed specifically for 9mm Glock magazines.

Build your Glock magazine compatible AR9 pistol caliber carbine today. Foxtrot Mike Products has produced an AR pistol for anyone needing a smaller and much lighter gun. This rifle from Foxtrot Mike Products features a shortened 5" barrel for an ultra compact package.

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 has been found to be a standard carbine 5.56 spring or a …

Feb 25, 2021 · Cool mag compatibility aside, the FM-9B sports a PCC AR design with various barrel lengths. 10-inches, 5-inches…you choose what works best for you. For this review, I …

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 combination tuned to cycle a wide variety of ammunition reliably.