NBS 16" Mid-Length 5.56 NATO 1:7 Complete Upper (Blem)

SKU# 1538 | by NBS
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This unit is a blem because it has been placed on a lower causing the anodizing to rub off.  Everything functions just fine.

This is the first upper in our line of NBS (No Bullshit) Upper Assemblies. We wanted to build an affordable upper assembly without cutting corners. This means using a nitrided steel gas block from an American Manufacturer as opposed to aluminum, importing handguards raw and finishing them in-house to ensure the quality and consistency of every unit, 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" Mid-Length Barrel.

Lifetime Warranty

Upper Receiver

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


Ballistic Advantage 16" GOVT Profile 5.56 NATO 1:7 Twist Mid-Length QPQ Nitride
- 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

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


KeyMod Handguard - Graphite Black Cerakote
- Imported, blasted, inspected and finished in-house for quality assurance and a superior finish
- Lifetime warranty against workmanship or manufacturing defects

 Muzzle Device Mil-Spec A2 Birdcage

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