Foxtrot Mike Products is at it again with another 9mm AR upper exclusively built for Primary Arms. For those wanting an even smaller and lighter pistol, this build features a short 7” barrel with a 1:10 twist rate. The upper receiver is machined from billet aluminum allowing for a greater degree of customizability for look and function. Foxtrot Mike is building some of the most popular AR-9s on the market and Primary Arms is proud to offer them directly to you.

Standard charging handle
7” barrel chambered in 9mm
Billet upper receiver
Blow back recoil mechanism
Tri-Lug Adapter
1.3" internal diameter handguard

Barrel Length7
BrandFoxtrot Mike Products
Caliber Gauge9mm Luger
Gas System LengthBlowback
Gas System TypeBlowback

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Compare prices for FM9-PA-7TRI-UR - Foxtrot Mike Products 7" Glock Style Ultra Light 9mm Tri-Lug Complete Upper 5" M-LOK Rail from all vendors

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