NBS AR-15 .223/5.56 A2 Style Mil-Spec Buffer / Receiver Extension Kit - MAR110
Out of stock
Mil-spec Rifle Length Receiver Extension / Buffer Kit. Fits standard A1, A2 and other fixed stocks. For 5.56/.223 AR-15’s only.
Includes: Rifle Length Receiver Extension / Buffer Tube, 12 3/4″ Mil-Spec Buffer Spring and AR-15/M16 Rifle Buffer
Total Weight: 11.9 oz.
Weight of Buffer:Â 5.4 oz.
Length of Buffer: 6″
Length of spring 12 3/4″
Note:Â This is not for adjustable / telescoping / collapsible stocks.
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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.
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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.
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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 | 11.9 oz |
|---|---|
| Dimensions | 10 × 1.15 × 1.15 in |
| MPN | MAR110 |
| UPC | 811261026490 |
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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US
Perfect for an MBA stock
I purchased this along with a luth ar stock and it worked great. I had my mil spec buffer off and this one on in about 2 minutes. Threw in the stock and was shooting in less than 20 minutes increasing cleaning everything up lol. Great product for the price!
USBuffer tube
fit my Anderson receiver, work perfect!
USharder to find full size buffer tube.
picked up an 'no longer needed' mil spec A1/A2 type stock, requiring a spec buffer tube and buffer. This set worked great at a good price. Had it installed and running the day it arrived.
USquality
It works just like it should, quality parts fast shipping very reasonable price
USGreat products great price
Excellent fit and quality was fantastic
