Guntec USA AR-9 Pistol Buffer Tube KIT
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Guntec USA
Overview
The Guntec USA AR-9 Pistol Buffer Tube Kit is designed specifically for blowback gas systems in 9mm builds, providing a reliable and sturdy foundation for your firearm. Featuring a Mil-Spec buffer tube made from 7075-T6 aluminum with a nitride finish, this kit ensures durability while maintaining a lightweight profile. This assembly is commonly used in compact and pistol-style configurations, making it an essential component for any 9mm AR-15 builder.
Specifications
Price and stock
The Guntec USA AR-9 Pistol Buffer Tube KIT was hard to find in August 2026, in stock on only 7 of the 13 days we checked, and today the one retailer we track is out of stock. The best price drifted down from $73.99 to $67.99 over August 2026 without a real sale. Listed prices start at $67.99 at Optics Planet for when it comes back.
Prices checked · refreshed daily across 30 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 →Frequently Built With
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Builds Featuring This Part
See all 2 →Builds in the community that include the Guntec Usa Ar-9 Pistol Buffer Tube Kit
| Build | Parts | Total |
|---|---|---|
 | 19 | $571.68 |
 | 19 | $632.67 |
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