NBS 14.5" (16" Overall) Mid-Length 5.56 NATO 1:7 Complete Upper w/ FSB and Pinned/Welded VG6 Precision Epsilon Muzzle Brake
Out of stock
This version of our 14.5″ NBS Mid-Length Upper w/ FSB features a pinned/welded VG6 Precision Epsilon Hybrid Muzzle Device for a legal 16″ overall barrel length.
This is the next release in our line of NBS Complete Uppers. We like to think of it as the ultimate truck gun. We build a lot of ARs and our favorites, the ones that we like the most and perform the best are the ones we decide to sell (and yes there are more coming). This is an example of that. We love this configuration and it fits right in with our no bullshit approach. It is built on an Aero Precision Upper Receiver with a Nitride Ballistic Advantage Government Profile 14.5″ barrel paired with the excellent NBS Black Nitride BCG. Racking is facilitated using a Strike Industries Extended Latch Charging Handle. And if you haven’t handled a rifle with this Magpul SL Handguard, you’re missing out. We love a beautiful free-floated rail as much as the next guy but this thing is just so solid and so comfortable in the hand. We topped it off with one of the best hybrid muzzle devices you can get, the VG6 Precision Epsilon. This thing tames recoil and muzzle rise with the best of them plus it is pinned/welded which makes it 16″ overall for use in restricted states.
Made in the USA – Lifetime Warranty
| Upper Receiver | Aero Precision – 7075-T6 aluminum – M4 Feedramps – .250 takedown pin holes |
| Barrel | Ballistic Advantage 14.5″ 5.56 NATO 1:7 Twist – Midlength Gas System – Pinned FSB – QPQ Nitride Finish – Guaranteed to hold a 1.000″ MOA or better at 100 yards with appropriate ammo and shooting techniques. |
| Bolt & Carrier Group | NBS Black Nitride M16 Bolt Carrier Group .223/5.56 – Full Auto Capable – 9310 MPI and HPT Tested Bolt – Case Hardened 8620 Carrier – 4130 Gas Key – Grade 8 Hardware With Proper Staking – Gas Key Sealed With Permatex No.3 – 8740 Hard Chrome Firing Pin |
| Charging Handle | Strike Industries Extended Latch Charging Handle |
| Gas System | Mid-Length – Pinned Front Sight Base – Stainless Steel Gas Tube |
| Handguard | Magpul SL M-LOK Handguard – Black |
| Muzzle Device | VG6 Precision Epsilon |
Please note: As with many other top of the line 14.5″ mid-length uppers this is one of the smoothest shooters around but it does prefer quality ammo (read more). If you feed it underpowered (the cheapest of the cheap) ammo you may experience some short stroking. Any mil-spec powered ammo will be fine but if you want to shoot the cheaper stuff (no judgement), we recommend lightening the buffer weight. The KAK Configurable Buffer is perfect for that.
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 | 48 oz |
|---|---|
| Dimensions | 28 × 5 × 5 in |
| Barrel Finish | Nitride / Melonite |
| Barrel Profile | M4 |
| Cartridge Compatibility | 5.56 NATO |
| Barrel Length | 16" |
| Gas System Length | Midlength |
| Twist Rate | 1-7 |
| BCG / Charging Handle | Included |
| UPC | 999991597 |
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.
