NBS 16" Carbine 5.56 NATO 1:7 Complete Upper

SKU# 1539 | by NBS
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$379.95
$352.95
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Who doesn't like a nice quad rail? This upper also features a 16" BCA barrel chambered in 5.56 NATO with a 1:7 twist and a carbine length gas system. With the NBS line we wanted to build an affordable upper assembly without cutting corners. This means using a nitrided steel gas block from APOC Armory as opposed to aluminum, providing an upgraded extended latch charging handle and using reputable internals like the proven APOC Armory Black Nitride BCG paired with a Bear Creek 16" Carbine Barrel.

Lifetime Warranty

Upper Receiver

Anderson or Aero Precision (depending on availability)
- 7075-T6 aluminum
- M4 Feedramps
- .250 takedown pin holes

Barrel

Bear Creek 16" 5.56 NATO 1:7 Twist Carbine Parkerized
- Guaranteed to hold a 1.000" MOA at 100 yards with appropriate ammo and shooting techniques.

Bolt & Carrier Group

APOC Armory Black Nitride M16 Bolt Carrier Group .223/5.56
- Full Auto Capable
- 9310 MPI and HPT Tested bBolt
- Case Hardened 8620 Carrier
- 4130 Gas Key
- Grade 8 Hardware With Proper Staking
- Gas Key Sealed With Permatex No.3
- 8740 Hard Chrome Firing Pin

Charging Handle

APOC Armory Extended Latch

Gas System

Carbine
- APOC Armory Nitrided Steel Gas Block
- Stainless Steel Carbine Length Gas Tube

Handguard

12" Free Float Quad Rail - Black

Muzzle Device Mil-Spec A2 Birdcage

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