Foxtrot Mike Enhanced FM9 Complete Upper Receiver – 5″

Original price was: $349.00.Current price is: $339.00.

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Product Description

The Foxtrot Mike Products Enhanced 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.

Engineered to function reliably, no matter which manufacturers’ lower it’s mated with, the Foxtrot Mike  Enhanced 9mm Upper Receiver is forgiving enough to cycle even the most economical steel, brass, or aluminum cased ammo.

Features a unique interlocking connector between the upper receiver and handguard ensures the barrel nut will not work loose over time.


  • M-LOK Handguard with M-LOK covers.
  • Bolt/carrier unit with a hard Melonite finish.
  • Ambidextrous, non-reciprocating forward charging handle.
  • Blast diffuser to direct all gasses forward.
  • Does not include a dust cover.


  • Material: 4150 carbon steel.
  • Finish: Premium melonite finish.
  • Twist: 1-10″
  • Length: 5″
  • Threaded muzzle: ½”-36.




Technical Information

Color / Pattern
Material 4140 Steel
Finish Melonite
Barrel Twist 1/10
Size 5"
Caliber 9mm Luger
Firearm Compatibility

Catalog Location

California Prop 65 Warning

WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information visit