Description

We’ve gotten so much love regarding our NBS Carbine Buffer kit that we had to come out with a version that includes an H2 Heavy Buffer for those wanting to smooth out the recoil on an over-gassed system.

Mil-Spec Carbine Buffer Tube / Receiver Extension
- 6 Position
- 7075-T6 Aircraft Grade Aluminum
- Hard Anodized
Carbine Buffer Spring
Castle Nut/Receiver Nut
Mil-Spec Receiver End Plate
H2 Heavy Buffer (4.6oz) w/ Genuine Tungsten Steel Counter Weights

American Made and Backed by the NBS Limited Lifetime Warranty

About the Brand

NBS by Gat Ammunition, LLC

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 Gat Ammunition, LLC 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. Gat Ammunition, LLC stands firmly behind these parts because, as shooters ourselves, we use and trust them, delivering honest value and gear you can rely on.

NBS Limited Lifetime Warranty — For the Original Owner

Covering defects in materials and workmanshipGat Ammunition, LLC stands firmly behind these partsAs shooters ourselves, we use and trust themDelivering honest value and gear you can rely on