Foxtrot Mike Products FM-15 GEN 2 Side Charging AR-15 Upper Receiver - 13.9"

Manufactured by Foxtrot Mike Products
Manufactured by Foxtrot Mike Products
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$549.99 $699.99

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The Foxtrot Mike Products FM-15 Gen 2 Side Charging AR-15 Upper Receiver features a unique dual spring recoil system nested in the top of the upper receiver allowing the use of a folding stock. This recoil system is paired with a mid-length direct impingement gas system and a proprietary lightweight bolt carrier group for a smooth and reliably functioning rifle. The gas block features an indexing pin and a coil pin to keep it locked in place against the lightweight contoured barrel for an extremely robust system.

  • Machined from a billet of aluminum
  • 4 Position side charging handle
  • Slim M-LOK handguard
  • Proprietary recoil system allows the use of a folding stock
  • .223 Wylde chambering
  • Proprietary lightweight BCG
  • Includes
  • Picatinny rail adapter with QD sling mount
  • 13.9" Pinned and welded barrel
  • Mid-length gas system
  • Dead Air KeyMo muzzle brake
  • Compatible with Mil-Spec lowers (buffer and buffer spring will not be used)

The barrel features a .223 Wylde chamber and a 1:8 twist rate for compatibility with a wide range of ammunition. Additionally, it features a lightweight contour and at 13.9 inches in length, it has a pinned and welded muzzle brake to bring the overall length to 16 inches. The Dead Air KeyMo muzzle brake is compatible with KeyMo quick detach suppressors.
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Barrel ContourLightweight
Barrel Length13.9
Barrel Material41V50 Chrome Moly Vanadium Steel
BrandFoxtrot Mike Products
Caliber Gauge.223 Wylde
Gas System LengthMid-Length
Gas System TypeDirect Impingement
Handguard13 in M-LOK Rail
Muzzle DeviceDead Air KeyMo Muzzle Brake
Twist Rate1:8

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