Angstadt Arms 10 oz AR-15 Buffer Kit with Spring 9mm Luger/.40 S&W/.45 ACP Black
$77.49
Elevate your AR-15 performance with the Angstadt Arms 10 oz Buffer Kit, designed specifically for smooth operation in 9mm, .40 S&W, and .45 ACP configurations. This complete kit includes a 10oz buffer and carbine buffer spring, ensuring reliable cycling without the need for a spacer. Compatible with both GLOCK and Colt style magazines, it’s the perfect upgrade for serious shooters looking to enhance their setup.
Out of stock
Complete 10oz AR-15 extra heavy buffer kit gives you everything you need to get your 9mm 40 S&W or 45acp AR-15 running smoothly. Compatible with both GLOCK and Colt style magazines.
Specifications:
- Buffer weight: 10oz
- Buffer length: 4″. No need for a spacer
- Bumper color: Blue
Contents include:
- 10oz 9mm buffer
- Carbine buffer spring
| Weight | 0.939 lbs |
|---|---|
| Dimensions | 13.250 × 5.100 × 1.400 in |
| Manufacturer | Angstadt Arms |
| Finish | Black |
| Weight | 10 oz |
| Material | Aluminum |
| Dimensions | 4 inches |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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