The Foxtrot Mike Products 9mm Upper Receiver comes fully assembled and ready to drop on any pistol caliber lower receiver that uses Colt 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.
A unique interlocking connector between the upper receiver and handguard ensures the barrel nut will not work loose over time.
- Ambidextrous Proprietary Non Reciprocating Forward Charging Handle
- Made From Premium American made Aircraft Grade 6061-T6 Aluminum
- Proprietary Interlocking feature between Handguard and Upper Receiver
- Bolt/carrier unit with hard Melonite finish
Barrel: 8.5" Premium Melonite-finished 4150 Carbone Steel
Twist: 1-10" twist, Button-rifled Bore
Threading: 1/2x36 Threaded Muzzle
Rail: 8" Ultra Slim M-LOK Handguard
Charging Handle: Ambidextrous Paratrooper Folding Style