The MR7 Series Carbine Top End is chambered in 5.56mm and comes in either 1:7 or 1:9 twist. This top end incorporates YHM's MR7 Mid-Length M-Lok handguard that bridges the gap between the upper receiver and handguard for a seamless look It also is “T” marked for position on the top rail.

  • Forged 7075-T6 Flat Top Upper Receiver with M4 Feed Ramps and "T" marked
  • Forward Assist
  • 16" 4140 Steel Barrel, Heat Treated to RC 25-32 Threaded to take our Popular Muzzle Accessories
  • YHM Phantom Flash Hider (YHM-28A)
  • YHM Mid-Length M-Lok Handguard (YHM-5325)
  • YHM Low Profile Gas Block (YHM-9383)
  • Total Weight: 4.1 lbs.
This top end does not include the charging handle or bolt carrier group.

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