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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
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Tacfire Short Buffer Tube System for AR-Style Pistols - Black, Compact Comfort - MAR139-C ranked #16 of the 64 buffer tube kits builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #21 of the 136 buffer tube kits builders have added. Builds with this buffer tube assembly are mostly chambered in 5.56 NATO (70%, then .223 Wylde 17%), split between mid-length (54%) and rifle-length (18%) gas systems, and mostly AR-15 (93%).
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, but today only Optics Planet has it in stock. Prices barely moved in August 2026, holding around $99.99, so there haven't been real sales lately. Buying today, the lowest price is $107.79 at Optics Planet, above August's low of $99.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 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 →The part most often added in each category by the 38 builds that include this one
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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 | $1835.22 |
 | 22 | $1752.80 |
| 28 | $3382.37 |
 | 23 | $1776.66 |
 | 19 | $3198.35 |
2 global ratings
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.
TacFires short buffer tube is a budget option for an AR pistol build. The shortened length reduces overall length compared to a standard pistol tube. Five positions click correctly. Threads to a milspec castle nut. Good for a budget pistol build.
