NBS Mil-Spec 6 Position Receiver Extension / Buffer Tube - 7075CBT
In stock
The NBS Mil-Spec Buffer Tube is a quality Receiver Extension (AKA Buffer Tube) machined from high strength American 7075-T6 Aluminum. This is a 6 position design and is a finished with Type 3 class 2 Hard Anodizing.
*These are sourced from various manufacturers, and tubes received might vary slightly from batch to batch in regards to finish and design. However, buy with confidence as these are backed by our NBS satisfaction guarantee.
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 | 3.2 oz |
|---|---|
| Dimensions | 7.3 × 1.15 × 3.872 in |
| MPN | 7075CBT |
| UPC | 999991340 |
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.
Customer Reviews
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US
Good stuff!
Perfect fit. Excellent.
USWorked as it should
No complaints, it did what it was made for.
USAR Buffer tube
The item looks great and fits perfectly. This replaced a plastic part on a gun I ordered. Good selections and prices to pick from. Shipping was fast. I would recommend this to anyone.
USNBS Mil-Spec Buffer Tube
Very good buffer tube for the price. Works perfect on one of my AR15 builds. Will buy again. Thanks AR15 Discounts.
USNBS Mil-Spec 6 Position Receiver Extension / Buffer Tube
Works as it should, looks good on my lower.
