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, quality American Made handguards and using a proven M16 profile phosphate BCG paired with a NBS Premium Series 16″ Mid-Length Barrel.
We use Permatex 242 on key components while using mil-spec AEROSHELL 33MS Anti-Seize grease on the barrel nut and muzzle device.
Lifetime Warranty
Upper Receiver
NBS Forged Upper Receiver
– M4 Feedramps
– .250 takedown pin holes
Barrel
NBS Premium Series 16″ .223 Wylde 1:8 Twist Black Nitride Mid-Length Barrel
– Guaranteed to hold a 1.000″ MOA at 100 yards with appropriate ammo and shooting techniques.
Bolt & Carrier Group
• Finish: Salt Black Nitride
• Bolt: 9310 Alloy Steel (High Hardness)
• Carrier: 8620 Aircraft Grade Steel
• Extractor: Shot Peened and Case Hardened D2 Tool Steel
• Firing Pin: Mil-spec 8740 steel with hard chrome finish
• Gas Key: Mil-Spec w/ properly staked Grade-8 screws & Permatex No. 3 sealed
• Cam Pin: 8620 Steel w/ Black Nitride Finish
• Quality Control: MPI Inspected for QC
Charging Handle
NBS Enhanced Charging Handle
Gas System
Mid-Length
– NBS Nitrided Steel Gas Block
– Stainless Steel Mid-Length Gas Tube
Handguard
NBS 15″ M-LOK Handguard
– American Made
Muzzle Device
Mil-Spec A2 Birdcage – Nitride
Vortex CF-RD2 Crossfire Red Dot
- Crisp 2 MOA dot reticle
- 50,000 hour battery life with included CR2032 battery
- Rugged knurled brightness knob
- 11 brightness settings including NV compatible
- Includes skeletonized multi-height mount
- Shielded elevation turret
- Lightweight design weighs just 5.2 Oz.
- Backed by the Vortex Lifetime Warranty
Lower Build Kit
ODIN Works 5.56/.223 Lower Parts Kit includes:
Bolt Catch, Bolt Catch Plunger, Bolt Catch Roll Pin, Bolt Catch spring Buffer, Retainer, Buffer Retainer spring Disconnect, Disconnect spring Hammer (black or silver in color), Hammer Pin, Hammer spring Magazine Catch, Magazine Catch Button, Magazine Catch spring Pistol Grip (A2 style), Pistol Grip Lock Washer, Pistol Grip Screw, Pivot Pin, Pivot Pin Detent, Pivot Pin Detent spring Selector, Selector Detent, Selector Detent spring Takedown Pin, Takedown Pin Detent, Takedown Pin, Detent spring Trigger (black or silver in color), Trigger Guard, Trigger Guard Roll Pin, Trigger Pin, Trigger Spring
LE-Style Stock
Discount Mil-Spec Carbine Receiver Extension / Buffer Kit