Description
- 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
-
Carbine Recoil Buffer (Colors may vary)
- Lifetime Warranty Provided by AR-15Discounts.com
- American Made!
Additional information
| Weight | 9.6 oz |
|---|---|
| MPN | AM-21-BUF FER-KIT |
| UPC | 999991334 |
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.
Reviews
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LD B. 
US joe c. US 
Michael B. US 
Ronald F. US James C. US
Customer Reviews
4.7
Based on 65 Reviews
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LB
US
10/30/2025
Buffer Kit
Outstanding as usual. A quality product at a great price.
JC
US04/19/2025
Buffer tube
It’s a great buffer tube kit
MB
USI recommend this product
09/11/2022
great bufer tube kit
For the price you cant go wrong. great for your first build.
RF
USI recommend this product
09/06/2022
Awesome buffer
Buffer kit is very high quality. No burs inside the tube like other brands i've purchased. 100% would recommend. I'll be buying another when it goes on sale again.
JC
USI recommend this product
08/03/2022
Mill Spec Buffer
Buffer works great, delivery was fast and price good.
