


























Brand: NBS
NBS Slick Side Billet Upper Receiver
Save 30 – 44 %
MSRP: $89.95 – $109.95
Starting from $56.95$49.95
The NBS Slick Side Billet Upper Receiver is a quality, American made billet upper featuring a unique design that sets it apart from traditional forged upper receivers. Manufactured to exacting standards on five axis CNC machines from a solid block of aircraft grade aluminum, this stripped upper not only looks good… it is built to last.
- M4 Feedramps
- Compatible with mil-spec forged lower receivers and most billet lower receivers
- .250 takedown / pivot pin holes
- No forward assist
- Designed to be used with or without a port door / dust cover (will need to remove c-clip from dust cover pin before assembly)
- Weight: 7.1oz
*Does not come with anti-rotation pin for use with NBS Free Float M-LOK Handguard and Dirty Bird Gen 2 Handguards. Anti-rotation pin can be found below:
98381A470 – NBS/Dirty Bird Gen 2 Handguard Anti-Rotation Pin – AR15Discounts
***UPPER MAY NOT BE COMPATIBLE WITH HANDGUARDS THAT FEATURE ANTI-ROTATION TABS.
Made in the USA
Backed by the NBS Limited Lifetime Warranty
Additional information| Weight | 0.0000 oz |
|---|---|
| Color | Black, Burnt Bronze, FDE, Grey, OD Green, Zombie Green |
| Feed Ramps | M4 |
| MPN | AR-15EBU, REV E |
| UPC | 3005-005, 3005-006, 3005 - 001, 3005 - 002 |
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.
ReviewsPlease select an FFL from the table below, if you do not see your desired FFL, click "Set Later" and you will be able to enter your FFL's information after checkout.
| Name | City | State | ZIP | Phone | |
|---|---|---|---|---|---|
| Loading FFL contacts, please wait... |

