Description
3G AR-15 Complete Quad Rail Upper
Our Premium AR-15 Complete Quad 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, 16″ free float Quad Rail handguard and 556 Black Nitride Bolt Carrier Group.
Our AR-15 556 Upper is built to Mil-Spec based off the traditional M4 / M16 Style Rifle. This product is professionally built and tested. Attach directly onto your latest AR-15 lower build and have at it!
AR-15 Free Float Quad Rail Handguard:
- Solid 6061 Aircraft Aluminum Construction with Hard Anodizing
- CNC Precision Machined
- Picatinny/Weaver Rail Type
- Extended Top Rail Provides “NO-GAP” Installation
AR-15 556 NATO 16″ Rifle Barrel 1:7 Twist:
- Material: 4150 Chrome Moly Steel
- “Government Profile”
- Chamber: 556
- Length: 16″
- Twist Rate: 1:7
- Gas Port: 0.750″
- Gas System: Mid-Length
- Thread Pitch: 1/2×28
- Feed Ramps: M4
- Finish: Black Nitride QPQ
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 Muzzle Break:
- Machined steel
Check out our AR15 Lower Receivers here!
Made in the USA
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