NBS AR-15 Parts & Accessories
NBS is the in-house parts brand of the online retailer AR15Discounts. You mostly see it on budget Glock pattern lower and upper parts kits for people building their own pistol.
NBS has 90 products available on GunPartPicker, ranging from $1.34 to $899.99.
NBS Product Categories
- Upper Receiver: 16 products
- Bolt Carrier Group: 10 products
- Gas Tube: 8 products
- Glock Barrel: 7 products
- Muzzle Device: 7 products
- Buffer: 3 products
- Barrel: 3 products
- Handguard: 3 products
- End Plate: 3 products
- Glock Slide Completion Kit: 3 products
- Glock Frame Completion Kit: 3 products
- Gas Block: 2 products
- Dust Cover: 2 products
- Optic Mount: 2 products
- Front Sight: 2 products
- Trigger Guard: 2 products
- Complete Rifle: 2 products
- Charging Handle: 2 products
- Safety: 1 product
- Foregrip: 1 product
- Rear Sight: 1 product
- Castle Nut: 1 product
- Pistol Grip: 1 product
- Glock Slide: 1 product
- Takedown Pin: 1 product
- Stock & Brace: 1 product
- Forward Assist: 1 product
- Buffer Tube Assembly: 1 product
Stock status: 33 in stock, 57 out of stock.
NBS
NBS in October 2026 so far
NBS ranks #97 of 511 brands on GunPartPicker so far in October 2026, just behind Criterion Barrels, with about 1 in every 1000 parts builders added. Up from #169 in September. Builders are reaching for NBS mostly for charging handle parts. The most added single part is the NBS Enhanced AR-15 Mil-Spec Charging Handle, taking the top spot from the NBS Upper Parts KIT For Glock 19.
About 37% of the 90 NBS products we track are in stock today.
Also popular this month: NBS Upper Parts KIT For Glock 19, NBS AR-15 Stripped Upper, NBS Mil-Spec Semi-Auto Safety Selector and Discount .750 Gas Block.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
NBS products
NBS Enhanced AR-15 Mil-Spec Charging Handle$8.89In stock
NBS Upper Parts Kit For Glock 19$44.95In stock
NBS AR-15 Stripped Upper$49.95In stock
NBS Lower Parts Kit For Glock 19$39.95In stock
NBS Mil-Spec Semi-Auto Safety Selector$5.95In stock
NBS Slick Side Billet Upper Receiver$69.95In stock
NBS AR-15 .223/5.56 A2 Style Mil-Spec Buffer / Receiver Extension Kit$30.55In stock
Discount .750 Gas Block$9.99In stock
About NBS
NBS is AR15Discounts' house brand. You mostly see it on budget Glock pattern lower and upper parts kits for home built pistols.
Retailer house brand · Limited lifetime warranty · Glock parts kits
Why NBS
NBS is the house brand of the retailer AR15Discounts. You mostly see it on budget Glock pattern parts kits and slick side billet AR uppers.
The Glock 17 lower parts kit has an adjustable billet aluminum trigger, safety bar and a 5.5 pound connector for Gen 3 and Polymer 80 frames, at about $40. The billet upper is about 7.1 ounces from around $70.
A limited lifetime warranty covers the original owner. We'd use NBS kits to finish a cheap home built pistol, and check fit in your frame before trusting it.
- The NBS Glock 17 lower parts kit comes with an adjustable billet aluminum trigger and a 5.5 lb trigger connector.
- NBS has a limited lifetime warranty for the original owner on materials and workmanship.
Brand Overview
Available At
What Builders Choose
Based on real buildsTop NBS products builders are adding
NBS Enhanced AR-15 Mil-Spec Charging Handle
NBS Upper Parts Kit For Glock 19
NBS Slick Side Billet Upper Receiver
NBS AR-15 .223/5.56 A2 Style Mil-Spec Buffer / Receiver Extension Kit
NBS Lower Parts Kit For Glock 19
Discount .750 Gas Block
Customer Ratings & Reviews
No reviews yet for this brand.