NBS Nitride 16" Midlength 5.56 NATO 1:7 Complete Upper

SKU# 1553 | by NBS
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$399.95
$378.95
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We've gotten a lot of good feedback about our first generation NBS 16" upper, so for the second generation we wanted to provide even more bang for the buck. Key upgrade areas are the handguard and barrel. The handguard is now a 13" Matrix Arms Foxtrot MLOK Free Float Rail. It has a slim profile with in interior diameter of 1.3" and good hard coat anodizing. It's a quality American Made handguard. The barrel has been upgraded to a 16" Ballistic Advantage Modern Series chambered in 5.56 NATO with a 1:7 twist and Midlength Gas System. It's also nitride treated which means it has double the effective lifespan of an unlined parkerized or mag phosphate barrel. We're still using a nitrided steel gas block from an American Manufacturer as opposed to aluminum, you're still getting an upgraded extended latch charging handle and the upper still uses reputable internals like the proven APOC Armory Black Nitride BCG.

Lifetime Warranty

Upper Receiver

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

Barrel

Ballistic Advantage 16" 5.56 NATO 1:7 Twist
- Mid-Length Gas System
- Government (SOCOM) Profile
- QPQ Nitride Treated 
- Guaranteed to hold a 1.000" MOA at 100 yards with match grade 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

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

Handguard

Matrix Arms 13" Foxtrot MLOK Free Float Rail - Black
- American Made
- Slim Profile

Muzzle Device Mil-Spec A2 Birdcage

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