FM-9 Complete Upper

$399.00 to $425.00
SKU: 7920

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.

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

  • Premium Melonite-finished 4150 carbone steel
  • Button-rifled bore, 1-10" twist
  • ½"-36 threaded muzzle
  • Ambidextrous, non-reciprocating forward charging handle
  • Bolt/carrier unit with hard Melonite finish, too

Engineered to function reliably, no matter which manufacturers’ lower it’s mated with, the Foxtrot Mike 9mm Upper Receiver is forgiving enough to cycle even the most economical (we’re not saying "cheap"!) steel, brass, or aluminum cased ammo.
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Ratings & Reviews

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Great company with great customer service.


Thing runs great and shoots straight. Have mine sitting on a QC10 lower which required a slight modification to the ejector. I'm up to a case of ammo through my creation using factory Glock mags of various capacity and Magpul Glock mags without a single hiccup. Love the blowback gas system, and side charging handle. Was going to go the Scorpion route but figured this was the best of both worlds considering I carry a Glock 17 and had quite a few AR spare parts I could use. Great customer service as well, FM Products stands behind their work and will definitely help you get your build squared away should you have any issues. Tell them Ed sent you (thumbs up).