NBS AR-15 Minimalist Billet Upper Receiver - 33445
In stock
The NBS Slick Side Billet Upper Receiver is constructed from 6061-T6 aluminum with a hardcoat anodized black finish. This upper receiver features a slick side profile with no ejection port or dust door. An anti-rotation cutout is also a noted feature of this upper receiver. This upper receiver is manufactured in the USA.
Key Features
- 6061-T6 billet aluminum construction
- Hardcoat anodized black finish
- Slick side profile
- No ejection port
- No dust door
- Anti-rotation cutout
- Manufactured in the USA
Perfect For
- AR-15 builders sourcing a slick side billet upper receiver
- Custom AR-15 builds requiring a clean profile upper receiver without an ejection port or dust door
- Builders seeking a USA-manufactured 6061-T6 billet upper receiver
6061-T6 Billet Construction and Finish
The NBS Slick Side Upper Receiver is constructed from 6061-T6 billet aluminum. A hardcoat anodized black finish is applied to this upper receiver. Both the material and finish are distinct and separately identified attributes of this upper receiver.
Slick Side Profile and Anti-Rotation Cutout
This upper receiver features a slick side profile, meaning it does not include an ejection port or dust door. An anti-rotation cutout is a specified structural feature of this upper receiver. These are distinct and separately identified design attributes of the NBS Slick Side Billet Upper Receiver.
USA Manufacture and Compatibility
This upper receiver is manufactured in the USA and is compatible with standard AR-15 components. The black hardcoat anodized finish provides compatibility with a wide range of AR-15 lower receiver configurations. It is a single-component inclusion with no additional components in this listing.
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Built on Strong Industry Partnerships
Through the strong partnerships AR15Discounts has built with trusted suppliers and vendors, we regularly gain access to premium components often manufactured by or for leading industry names. By purchasing these in volume, we bring them to you under the NBS label, ensuring proven quality reaches your build at a fair price, without the added cost of extensive marketing.
Quality You Can Trust
Every NBS product is specified to the exacting standards we apply to our own rifles. Each component features precision CNC machining, American-made key components where it counts, robust materials, dependable steels, and durable finishes engineered for long-term reliability. These items are either sourced from reputable OEMs or carefully assembled in-house using established name-brand elements, maintaining consistent excellence throughout the lineup.
Complete Solutions for Serious Builders
From stripped and complete uppers to bolt carrier groups, handguards, lower parts kits, and beyond, NBS provides a unified, affordable selection that allows you to complete confident, high-performing builds.
Backed by a Limited Lifetime Warranty
All NBS products come with our Limited Lifetime Warranty for the original owner, covering defects in materials and workmanship. AR15Discounts stands firmly behind these parts because, as shooters ourselves, we use and trust them, delivering honest value and gear you can rely on.
| Weight | 8.27 oz |
|---|---|
| Dimensions | 12.7 × 3.8 × 3.3 in |
| Finish | Anodized, Black |
| Forward Assist | Not Compatible |
| Port Door / Dust Cover | Not Compatible |
| Receiver Material | 6061 Aluminum |
| T-Marks | Unmarked |
| Feed Ramps | M4 |
| MPN | 33445 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
