BCM 5.56 Govt. Profile Barreled Upper KeyMod KMR Alpha Rail – 11.5″


  • Cold hammer forged 41V50 chrome moly vanadium steel Govt. profile barrel with Manganese phosphate finish
  • Chambered in 5.56 NATO with 1:7 twist rate
  • 1/2×28 A2 flash hider
  • Chrome lined chamber and bore
  • High pressure tested and magnetic particle inspected
  • M4 feed ramps
  • T-Marked Picatinny rail
  • 10” BCM KMR ALPHA KeyMod Free Float Handguard
  • (1) 3” Picatinny rail section
  • (1) BCM KeyMod sling mount


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SKUBCM-URG-11-BFH-KMR-A-10 Category

NOTE: This upper assembly has a barrel less than 16” in length. These uppers are intended for use in AR pistol or legal short-barreled rifle builds. Other configurations may violate Federal law.

This professional grade weapon is built around a cold hammer forged 41V50 chrome moly vanadium steel barrel, which is renowned for its accuracy and durability. The continuous Picatinny rail and keyMod mounting slots on seven sides provide ample space for all your favorite accessories, making this upper receiver perfect for anyone looking to customize their weapon to their specific needs. Hardcoat anodized for an anti-reflective, corrosion resistant finish, the BCM 300 BLK Tapered Contour Barreled Upper KeyMod KMR Alpha Rail – 9″ is sure to give you the advantage you need to dominate on the range or in the field.

Note: Does not include a bolt carrier group or charging handle.


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