NBS 16" Carbine 5.56 NATO 1:7 Complete Upper Review

About NBS 16" Carbine 5.56 NATO 1:7 Complete Upper

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 quality internals like the NBS 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 NBS 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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