FM Products Uppers Gun Parts
(5 deals total)

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Filter FM Products Uppers Gun Parts

1 day ago , by Dealer
NOTE: This upper assembly has a barrel less than 16” in length. These uppers are intended for use in AR-15 pistols or legal short-barreled rifles. Other configurations may violate Federal law.
2 days ago
100-027-613WB AR-15 FM-9 10.5 Colt Style Upper Receiver 9mm Black Color: Black Length: 10.5 Material: Aluminum Style: M-LOK Type: Monolithic Perfect for Your Pistol-Caliber Carbine Build Styled after the Colt-pattern pistol-caliber carbine, the FM Products AR-15 FM-9 Monolithic 9mm Upper Receiver offers AR aficionados with the opportunity to put together a pistol-caliber carbine for their next build.
2 weeks ago , by Dealer
100-024-844WB AR-15 FM-9 10.5" 9mm Upper Receiver M-LOK Assembled Black Cartridge: 9 mm Luger Finish: Black Style: M-LOK Length: 10.5 Twist: 1-10 Complete Flattop Upper for Pistol Caliber AR-15 Carbines The Foxtrot Mike Products 9mm Upper Receiver comes fully assembled and ready to drop on any pistol caliber lower receiver that uses Glock magazines. With its full-length Picatinny top rail and M-LOK compatible handguard, the Foxtrot Mike 9mm Upper offers plenty of mounting space for optics and other accessories.
5 months ago
The Foxtrot Mike Products FM-9 Complete 9x19mm Upper Receiver is feature rich and cutting edge. Built from the ground up to provide outstanding reliability and accuracy with a host of top tier features. The traditional M4 charging handle has been replaced with an ambidextrous, non reciprocating forward charging handle. The monolithic style has been achieved with a proprietary interlock between the upper and handguard.
6 months ago
This FM Products FM-45 Upper Receiver is specifically designed for use with FM pistol caliber lower receivers or other .45 Glock lowers that accept Glock magazines. The barrels of these AR15 Upper Receivers from the experts at FM Products are constructed with 4150 chrome moly steel for reliable durability that can handle high heat. Throughout the FM Products 45 Caliber Upper Receiver, you'll find M-LOK attachment points for enhanced customization opportunities for your weapon. Also, there's a continuous top Picatinny rail to attach optics and other accessories.