ARMASPEC CARB BFF TUBE KIT W/ EP/CN
$31.03
Enhance your AR-15 with the Armaspec Carbine Buffer Tube Kit, featuring a durable anodized black finish that combines style and longevity. Complete with an end plate and castle nut, this kit is engineered to deliver reliable performance, making it an essential upgrade for any modern sporting rifle enthusiast.
34 in stock
The Armaspec Carbine Buffer Tube Kit is designed for the AR-15 and features a black anodized finish. It includes an end plate and castle nut.
- Manufacturer: Armaspec
- Model: Carbine Buffer Tube Kit
- Fit: AR-15
- Finish: Black anodized
- Included: End plate and castle nut
- Manufacturer Part Number: ARMASPECARM621-C
- UPC: 810048492916
| Weight | 0.375 lbs |
|---|---|
| Dimensions | 7.250 × 4.000 × 1.250 in |
| Manufacturer | Armaspec |
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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