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TacFire
Overview
The Tacfire Short Buffer Tube System is designed specifically for AR-style pistols, featuring a compact tube that enhances maneuverability while maintaining a sleek profile. This black buffer tube is essential for accommodating a pistol configuration, providing the necessary support for the action and ensuring reliable cycling. It is commonly found in builds utilizing a mid-length gas system chambered in 5.56 NATO, making it suitable for a variety of applications from tactical to recreational shooting.
Tacfire Short Buffer Tube System for AR-Style Pistols - Black, Compact Comfort - MAR139-C
Prices checked
Tacfire Short Buffer Tube System for AR-Style Pistols - Black, Compact Comfort - MAR139-C ranked #17 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 #26 of the 179 buffer tube kits builders have added. Builds with this buffer tube assembly are mostly chambered in 5.56 NATO (72%, then .223 Wylde 13%), split between mid-length (58%) and carbine-length (15%) gas systems, and nearly all AR-15.
Today 4 of the 6 retailers we track have it in stock. Buying today, the lowest price is $89.99 at Classic Firearms.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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:
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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Tacfire Short Buffer Tube System for AR-Style Pistols - Black, Compact Comfort - MAR139-C
| Build | Parts | Total |
|---|---|---|
 | 25 | $1750.39 |
 | 22 | $1838.62 |
| 28 | $3445.84 |
 | 23 | $1807.82 |
 | 19 | $3286.14 |
1 global rating
Top reviews
TacFire short pistol buffer tube has the profile that reduces overall length on an AR pistol. Five positions click positively. Threads to a milspec castle nut. Aluminum body with even anodize. Solid budget pistol tube option.
