Armaspec Carbine Buffer Tube KIT, Black - Reliable Performance and Durability - ARM621-C
Click to see full view
Armaspec
Overview
The Armaspec Carbine Buffer Tube Kit is a comprehensive parts kit designed for builders seeking a reliable Mil-Spec carbine buffer tube assembly. Made from durable 6061-T6 aluminum and finished with hardcoat anodization, this kit ensures longevity and performance under various conditions. This buffer tube kit is commonly used in standard carbine builds, providing the essential foundation for reliable cycling and operation.
Specifications
Armaspec Carbine Buffer Tube KIT, Black - Reliable Performance and Durability - ARM621-C
Available Merchants(4)
Prices checked
Price Alert
Log in to set a price alert on this product.
Build history on GunPartPicker
Builders have been adding the Armaspec Carbine Buffer Tube KIT, Black - Reliable Performance and Durability - ARM621-C to their builds on GunPartPicker since February 2026. All time, it ranks #75 of the 138 buffer tube kits builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today 3 of the 4 retailers we track have it in stock. The best price drifted down from $35.99 to $26.99 over August 2026 without a real sale. Buying today, the lowest price is $35.09 at BattleHawk Armory, above August's low of $26.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
Not sure which buffer tube assembly to pick?
We ranked every buffer tube assembly by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Buffer Tube Assembly Guide →Check it against the live catalog:
Frequently Built With
The part most often added in each category by the 4 builds that include this one
CMMG AR-15 Bolt Catch
Magpul MOE K2 Grip Polymer Flat Dark Earth
Brownells Safety Selector, Black
Strike Industries AR-15 Ultra Light Pivot / Takedown Pins - FDE
Brownells M4 Buffer Spring
PSA AR-15 Blem "Stealth" Stripped Lower Receiver
Builds Featuring This Part
See all 1 →Builds in the community that include the Armaspec Carbine Buffer Tube Kit, Black - Reliable Performance and Durability - ARM621-C
| Build | Parts | Total |
|---|---|---|
 | 25 | $1051.26 |
No reviews yet. Be the first to review this product!