NBS Gun Parts
(10 deals total)

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2 days ago
Technical Specs: • Gas system: Direct Impingement • Caliber: 5.56x45mm NATO/.223 Rem, .300 Blackout • 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 ADDITIONAL INFORMATION WEIGHT 0.0000 oz BOLT FINISH
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4 days ago
Here at AR15Discounts.com we work with a wide variety of machine shops and barrel manufacturers. When we come across a barrel maker we like, we will often decide to private label those barrels for resale under the NBS brand. We purchase these barrels in large quantities and then pass the savings on to our customers. Why buy an NBS Brand Barrel: American Made – Sourced from a variety of Tier 1 Manufacturers here in the United States Quality Control – All barrels are manufactured under ISO-9001 or better quality standards
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1 week ago
We set out to make one of the most affordable complete uppers, without sacrificing the integrity of the complete upper, and most important the rifle. This upper features a 16″ NBS M4 barrel chambered in 350 Legend with a 1:16 twist and a carbine gas system. With the NBS line we wanted to make sure that we used quality products that wouldn’t break the bank. This means using a nitrided steel gas block from APOC Armory as opposed to aluminum and using one of our classic NBS 16″ Midlength Barrels. Made in the USA Lifetime Warranty Upper Receiver NBS – 7075-T6 aluminum – M4 Feedramps
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1 month ago
NBS Nickel Boron Bolt Carrier Group for .223/5.56/300BLK Carrier M16 style (Auto) Machined from 8620 tool steel Heat treated to mil spec Bolt Machined from 9310 tool steel Heat treated to military specifications Shot Peened MPI (Mag Particle Inspected) Gas Key Machined from 17-4 Stainless Steel Heat treated to mil spec Extractor Machined from S-7 shock resisting tool steel Heat treated to mil spec Shot peened Extractor spring is made of stainless steel music wire Firing Pin Machined from 17-4 stainless steel Heat treated to milspec Specifications Weight: 11.6 oz
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1 month ago
The NBS SBA3 Brace and Buffer Kit combines the prolific SBA3 Brace with our NBS Stock & Buffer Kit. You know you’re getting quality with the SBA3 plus you can be confident that you’re fitting it on a true mil-spec 7075-T6 Buffer Tube with a chrome silicon buffer spring and a properly weighted carbine buffer. Even the end plate and castle nut are sourced from the best suppliers. No weak links to be found in this kit. Plus you’re backed by the AR15Discounts.com Satisfaction Guarantee. The SBA3 is ATF approved for use on AR pistol builds. Includes: SB Tactical SBA3 Brace
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1 month ago
We set out to make one of the most affordable complete uppers, without sacrificing the integrity of the complete upper, and most important the rifle. The NBS 6.8 SPC Quad Rail Upper Assembly, is a great all around upper, especially for hunting, which is why we included a KAK flash can. We wanted to direct the blast away from the shooter, to provide for a more pleasant shooting experience. The 6.8 SPC cartridge is also great in that fact there are many different weights and grains to use for this specific upper.
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1 month ago , by Dealer
Looking for a top quality Upper Receiver at wholesale prices? Building off of our Best-Selling, 5-Star Rated, NBS Stripped Upper Receiver, the NBS AR-15 Assembled Upper is machined by one of the foremost manufacturers of mil-spec AR-15 components, and then has a Mil-Spec Upper Parts Kit installed, right in America. Normally these assembled uppers are only available to builders when purchased from a name brand at a substantial markup, but we’re making these available at wholesale prices. What makes this upper different from other “Mil-Spec” upper receivers?
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2 months ago
NBS Assembled Upper Receiver Looking for a top quality Upper Receiver at wholesale prices? Building off of our Best-Selling, 5-Star Rated, NBS Stripped Upper Receiver, the NBS AR-15 Assembled Upper is machined by one of the foremost manufacturers of mil-spec AR-15 components, and then has a Mil-Spec Upper Parts Kit installed, right in America. Normally these assembled uppers are only available to builders when purchased from a name brand at a substantial markup, but we’re making these available at wholesale prices. Features: 7075-T6 Forged Aluminum Black Anodized finish Flat-Top
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2 months ago
Here at AR15Discounts.com we work with a wide variety of machine shops and barrel manufacturers. When we come across a barrel maker we like, we will often decide to private label those barrels for resale under the NBS brand. We purchase these barrels in large quantities and then pass the savings on to our customers. Why buy an NBS Brand Barrel: American Made – Sourced from a variety of Tier 1 Manufacturers here in the United States Quality Control – All barrels are manufactured under ISO-9001 or better quality standards
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3 months ago
Looking for a top quality Upper Receiver at wholesale prices? The NBS AR-15 Stripped Upper machined by one of the foremost manufacturers of mil-spec AR-15 components in America. Normally these stripped uppers are only available to builders when purchased from a name brand at a substantial markup, but we’re making these available at wholesale prices. What makes this upper different from other “Mil-Spec” upper receivers? Machined from top tier forgings.
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