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AR-15 ULTRA SLIM COMPLETE KEYMOD RAIL UPPER

AR15 UPPER | 5.56 | 16-INCH | CARBINE | 12IN SLIM KEYMOD | EFFIN-A |COMPLETE

80percentlowers.com

  • $649.99


AR-15 ULTRA SLIM COMPLETE KEYMOD RAIL UPPER

Our Premium AR-15 Ultra Slim Complete KeyMod Rail Upper comes completely built and tested. Just lock, load and have a blast! This upper comes with 16″ carbine length 556 NATO barrel with 1:7 twist, 12″ free float Ultra Slim KeyMod Rail handguard and 556 Black Nitride Bolt Carrier Group.

Our AR-15 556 Upper is built to exceed military specifications.  This product is professionally built and tested. Attach directly onto your latest AR-15 lower build and have at it!

AR-15 Free Float Ultra Slim KeyMod Handguard:

  • Constructed of 7075 T6 Aluminum
  • Includes Two 3 Inch Detachable Accessory Rails
  • Pre-Drilled Steel Barrel Nut
  • Super Lightweight
  • Monolithic Top Rail – Continuous with Flat Top Receiver
  • 1913 Picatinny Rail Top
AR-15 556 NATO 16″ Rifle Barrel 1:7 Twist:
  • Material: 4150 Heat Treated Steel
  • Chamber: 556
  • Length: 16″
  • Twist Rate: 1:7
  • Gas Port: 0.750″
  • Gas System: Carbine
  • Thread Pitch: 1/2×28
  • Feed Ramps: M4
  • Finish: Parkerized

AR-15 Mil Spec Upper Receiver:

  • High quality and lightweight Upper Receiver
  • Material: Aircraft grade Aluminum
  • Finish: Black Anodized

Charging Handle:

  • Body is 6061 T6 Billet Aluminum
  • Latch is 7075 T6
  • Black Type III Hardcoat Anodizing

Dust Cover:

  • Dust Cover, Spring, and Rod are constructed from 4150 Steel
  • Black Type III Hardcoat Anodizing
Forward Assist:
  • Constructed from 4150 Steel
  • Includes Plunger, Forward Assist Pawl, Retainer pin, and spring

AR-15 556/223 Black Nitride Bolt Carrier Group:

Carrier
  • M16 style (Auto)
  • Machined from 8620 tool steel
  • Heat treated to military specifications
Bolt
  • Machined from 9310 tool steel
  • Heat treated to military specifications
  • Shot Peened
  • Ground to meet military required tolerances
  • MPI (Mag Particle Inspected)
Gas Key
  • Machined from 4140
  • Heat treated to military specifications
Extractor
  • Machined from 4140
  • Heat treated to military specifications
  • Shot peened
Firing Pin
  • Machined from 8640 tool steel
  • Heat treated to military specifications
  • Ground to meet military required tolerances
  • Coated with .0002”-.0003” of hard chrome per MIL-STD-171 1.2.2.2
Cam Pin
  • Machined from 4340
  • Quench and temper heat treat
  • Ground to meet military required tolerances
Gas Block:
  • Constructed of Steel
  • Set screw mounts
  • Fits .750 Dia Barrels
  • Color: Black Phosphate finish

Gas Tube:

  • Material: Stainless Steel (optimal heat and corrosion resistance)
  • Mil-Spec Dimensions (consistant gas flow)
  • Length: 9.75″

EFFIN-A Compensator:

  • Machined steel
  • 24 Exit Gas Ports
  • 24 Screw Sets
  • 2.5OZ
  • MADE IN USA

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