NBS Slick Side Billet Receiver & M-LOK Handguard Combo
Starting from $99.95
This NBS Slick Side Billet Upper Receiver and M-LOK Handguard combo was designed and machined to match up beautifully together. It packs a multitude of great features into a sleek, rigid and durable package. To top it off, this American made combo is backed by the NBS Limited Lifetime Warranty.

NBS Slick Side Billet Upper Receiver
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 6061 aircraft grade aluminum.
- 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 e-clip from dust cover pin before assembly)
- Weight: 7.1oz
NBS Free Float M-LOK Handguard
The NBS Free Float M-LOK Handguard is a no-nonsense American made M-LOK compatible rail system designed for versatility and simplicity. It features a monolithic top picatinny rail and the remaining 7 sides all feature M-LOK attachment slots. Precision machined from 6061-T6 aluminum extrusions then type 3 hard coat anodized, you can be sure that this handguard will withstand an incredible amount of abuse. Its slim profile feels great in the hand yet with a 1.35″ inside diameter it can accommodate any true low profile gas block and has enough clearance to recess some muzzle devices such as flash cans and linear compensators. It is a true do-anything rail system and the cost-value ratio makes it very hard to pass up.
- Available in 7″, 12″ and 15″ lengths
- 6061-T6 Aluminium
- Type 3 Hard Coat Anodizing
- 1.35″ ID
- Installed Weight:
- 7″ – 7.3oz
- 12″ – 10.9oz
- 15″ – 12.9oz
NBS — Our In-House Brand for Builders Who Demand Reliable Performance and Real Value.
Designed for builders who demand reliable performance and real value without unnecessary hype or inflated pricing. NBS stands for "No Bullshit."
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 | N/A |
|---|---|
| Dimensions | N/A |
| Length | 4", 7", 12", 15" |
| MPN | 3007-002,3007-001,3007-003,3007 - 004 |
| UPC | 3007-002, 3007-001, 3007-003, 3007 - 004 |
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.
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