CMMG 90B1AA2 9mm AR-15 A3 16″ M4 Profile Barrel A2 Flash Hider Complete Upper Assembly

$734.99

In stock

Description

CMMG Inc. 90B1AA2

CMMG 90B1AA2 9mm AR-15 A3 flat top complete barreled upper receiver assembly 16″ M4 profile barrel with 1:10 twist, A2 flash hider and front sight tower with bayonet lug

Note: The 9mm ramped bolt uses a standard AR-15 or M16 hammer. Do not use with the dedicated 9mm hammer.

Upper Group:

  • Upper Receiver Assembly (Upper Receiver, Ejection Port Cover, Forward Assist, Gas Deflector)
    Barrel Sub-Assembly, Bolt Carrier Group, Charging Handle, Hand Guard and Barrel Nut

Specifications:

  • Mfg Item #: 90B1AA2
  • Model: Mk4LE
  • Action: Gas Impingement
  • Caliber: 9mm Luger
  • Barrel Length: 16″ WASP Treated 4140 Chrome-Moly Steel M4 Profile 1:10 twist
  • Muzzle: A2 Flash Hider ½ – 36 TPI
  • Receiver: Forged 7075T6 A3 Flat Top Upper Receiver
  • Sights: Forged Front F Marked Sight Base with Bayonet Lug
  • Handguards/Grip: M4 Style Handguards A2 Pistol Grip
  • Finish: Black

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