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5.56 NATO AR-15 Unassembled Pistol Kit – 5 INCH MICRO BARREL / 1:5 TWIST / 4 INCH M-LOK Handguard / BCG / CHH / LPK / A-U-205-819

Icon - 5.56 NATO AR CaliberIcon - 1:5 Twist RateIcon - 5 AR Barrel

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THIS KIT IS EVERYTHING YOU NEED TO BUILD A MICRO AR PISTOL EXCEPT A STRIPPED LOWER. The receiver is a flat top M4 Mil-Spec upper receiver are forged CNC Machined from 7075-T6 Aluminum, the hardest and most durable material of any upper. The MICRO 5″ 5.56 NATO barrel is made from 4150 Chrome Moly steel, has 1:5 twist rate & MICRO gas system. The handguard is a 4″ CBC M-LOK. Barrel: 5″ 5.56 NATO Barrel Chrome Moly Twist Rate: 1:5 Feed Ramps: M4 BCG: Case Hardened 8620 Steel Ni

Description

THIS KIT IS EVERYTHING YOU NEED TO BUILD A MICRO AR PISTOL EXCEPT A STRIPPED LOWER. The receiver is a flat top M4 Mil-Spec upper receiver are forged CNC Machined from 7075-T6 Aluminum, the hardest and most durable material of any upper. The MICRO 5″ 5.56 NATO barrel is made from 4150 Chrome Moly steel, has 1:5 twist rate & MICRO gas system. The handguard is a 4″ CBC M-LOK. Barrel: 5″ 5.56 NATO Barrel Chrome Moly Twist Rate: 1:5 Feed Ramps: M4 BCG: Case Hardened 8620 Steel Ni

a u 205 837 1

THIS KIT IS EVERYTHING YOU NEED TO BUILD A MICRO AR PISTOL EXCEPT A STRIPPED LOWER.

The receiver is a flat top M4 Mil-Spec upper receiver are forged CNC Machined from 7075-T6 Aluminum, the hardest and most durable material of any upper. The MICRO 5″ 5.56 NATO barrel is made from 4150 Chrome Moly steel, has 1:5 twist rate & MICRO gas system. The handguard is a 4″ CBC M-LOK.

  • Barrel: 5″ 5.56 NATO Barrel Chrome Moly
  • Twist Rate: 1:5
  • Feed Ramps: M4
  • BCG: Case Hardened 8620 Steel Nitride Coated, M4/AR-15 Compatible, Mil-Spec/MP Tested
  • Gas Block: Steel .750 Low Profile
  • Gas Tube: DGI Stainless Micro-Length
  • Muzzle Device: Thread Protector
  • Rail: 4″ M-LOK Rail
  • Upper Receiver: Forged Upper Receiver
  • Upper Components: Mil-Spec Forward Assist, Mil-Spec Dust Cover, and Brass Deflector
  • Micro buffer tube assembly
  • Castle nut
  • End plate
  • Complete AR-15 Lower Parts Kit ready for installation in your lower receiver

Please Note: An AR-15 Pistol upper assembly has a barrel less than 16″ in length. Pistol uppers are only for use on AR-15 pistol lowers and legal Short-Barreled Rifles. Other configurations may violate Federal law. Installation of AR-15 upper assemblies with certain features including, but not limited to: flash hiders, bayonet lugs, and threaded muzzles may violate state and/or local laws.

Unassembled Kits are covered under warranty for manufacturer defects only. Customer pays for shipping.

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Additional information

Weight 5.3 lbs
Dimensions 27.5 × 4.5 × 4.5 in
Caliber

Barrel Length

Rail/Handguard