Armaspec Carbine Buffer Tube KIT, Black - Reliable Performance and Durability - ARM621-C
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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
September 2026 on GunPartPicker
Armaspec Carbine Buffer Tube KIT, Black - Reliable Performance and Durability - ARM621-C ranked #33 of the 68 buffer tube kits builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #60 of the 183 buffer tube kits builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today all 4 retailers we track have it in stock. The best price crept up from $26.99 to $37.99 over September 2026. Buying today, the lowest price is $32.99 at Optics Planet, above September's low of $26.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Read the guide: AR-15 Buffer Tube Assembly Guide →Check it against the live catalog:
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Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the Armaspec Carbine Buffer Tube Kit, Black - Reliable Performance and Durability - ARM621-C
| Build | Parts | Total |
|---|---|---|
 | 25 | $1056.67 |
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