NBS 20" Slick Side Billet .224 Valkyrie Spiral Fluted Complete Upper Review

About NBS 20" Slick Side Billet .224 Valkyrie Spiral Fluted Complete Upper

According to James Gilliland, the leader of Iraq’s Shadow Sniper Team and famously credited with a successful 3/4 mile engagement with a 7.62×51 rifle, you need to be paying attention to .224 Valkyrie. He also says that a 20″ barrel is the sweet spot for this cartridge. So we’ve developed this 20″ .224 Valkyrie complete upper to fit the bill. Don’t let the price fool you, we did not cut corners on this configuration. We started with our popular NBS Slick Side Billet upper and matching 15″ M-LOK Handguard. For internals we’re using a 20″ 416R Stainless barrel with a 1:7 twist. This barrel is spiral fluted which reduces weight while maintaining rigidity. The barrel is fitted with a QPQ Nitride gas block and mated with an MPI tested Black Nitride BCG from Toolcraft. We also take the time to ensure that the upper will function reliably. We use Permatex 242 on key components while using mil-spec AEROSHELL 33MS Anti-Seize grease on the properly torqued barrel nut and muzzle device. Bottom line is this: you hear all the time about guys buying a budget upper and it not lasting or having to send it back because of some hardware defect or other issue caused by a careless assembly process. That is why we use quality components and assemble each unit to the highest standard of quality. Lifetime Warranty Guaranteed Sub-MOA performance with match grade ammo and proper shooting technique Upper Receiver NBS Slick Side Billet Upper – 6061 Aluminum – Pairs beautifully with any mil-spec lower – M4 Feedramps Barrel 20″ .224 Valkyrie 1:7 Twist Rifle-Length Spiral Fluted 416R Stainless Steel – Guaranteed to hold a 1.000″ MOA at 100 yards with appropriate ammo and shooting techniques. Bolt Carrier Group Toolcraft Black Nitride M16 Bolt Carrier Group 6.8SPC / .224 Valkyrie – 9310 MPI Tested Bolt – 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 Mil-spec Gas System Rifle-Length – 4140 Steel QPQ Nitride Gas Block – Stainless Steel Rifle-Length Gas Tube Handguard NBS M-LOK Free Float Handguard – American Made – 6061 Aluminum Muzzle Device Mil-Spec A2 Birdcage w/ Jet Black Nitride Finish  

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