FN 15® M4 Upper Assembly PRE-ORDER

SKU: FN23B-A790

**This item is for pre-order and will ship once available

PLEASE NOTE: If ordering the FN 15® M4 Upper Assembly with other products on the site, the order will not ship until the pre-ordered item is available.

  • CALIBER: 5.56x45mm
  • WEIGHT: 4.98 Lbs.
  • TWIST RATE: 1:7 RH
  • SIGHTS: A2-style front, adjustable rear sight

Own a piece of firearm history from the makers of the world’s most battle-proven firearms. The FN 15® Military Collector Series M4 upper receiver assembly is an authentic reproduction of the original, made to FN’s and the U.S. military’s exacting specifications. A 14.7-in. chrome-lined barrel is button-broached, with a 1:7 twist rate, the welded compensator brings the barrel length to 16-in. Cut with a 5.56x45mm NATO chamber to mate with the Carpenter 158 steel bolt, each MIL-SPEC bolt carrier is high-pressure and magnetic particle tested for enduring reliability.

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