Mil-Spec Style M4 Carbine / USGI Polymer Collapsible Stock
These stocks come from multiple manufacturers. Therefore, the style may differ from batch to batch, which can result in differences including: not having a buttpad or having a QD mount, among other variations.
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 | 11.2 oz |
|---|---|
| Dimensions | 7.5 × 1.75 × 5.25 in |
| MPN | TBA04 |
| UPC | 812530025527 |
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
Works great
Works as expected
USSolid piece of equipment
On sale and on time. It fits tight with no rattle
USM4A1 stock
This stock is great! A nice solid stock for your M4 clone build at an amazing price!
United StatesFeels great
Feels good on arm and can’t wait to order more items
USWorx as advertised, great price.
Worx perfect with most of my buffer tubes. Pad came with mine, kinda bulky.
