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TacFire
Overview
The Tacfire AR-15 Mil-Spec Buffer Tube Kit is a complete parts kit designed to provide a reliable foundation for your build. Made from durable 6061-T6 aluminum and finished with hardcoat anodization, this buffer tube meets Mil-Spec standards, ensuring compatibility with a wide range of stock options and enhancing the overall performance of your rifle. This kit is commonly found in mid-length gas system builds chambered in 5.56 NATO, making it an excellent choice for those looking to create a robust and functional firearm.
Tacfire AR-15 Mil-Spec Buffer Tube KIT ranked #20 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 #12 of the 151 buffer tube kits builders have added. Builds with this buffer tube assembly are mostly chambered in 5.56 NATO (69%, then .223 Wylde 15%), split between mid-length (43%) and carbine-length (30%) gas systems, and mostly AR-15 (88%, then AR-10 10%).
It was in stock most days in August 2026, and today all 5 retailers we track have it in stock. It dipped to $19.89 at BattleHawk Armory for a stretch in August 2026, under its usual $20.59 to $21.72, so sales do come around. Buying today, the lowest price is $19.89 at BattleHawk Armory, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 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:
The part most often added in each category by the 114 builds that include this one
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Magpul MOE K2 Grip Polymer Gray
Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Tacfire Ar-15 Mil-Spec Buffer Tube Kit
| Build | Parts | Total |
|---|---|---|
 | 17 | $756.86 |
 | 32 | $7053.03 |
 | 20 | $2197.70 |
 | 16 | $658.67 |
 | 19 | $1246.35 |
 | 25 | $1235.84 |
 | 16 | $1243.22 |
| 19 | $1246.35 |
 | 25 | $2279.41 |
 | 16 | $1316.87 |
 | 21 | $1294.30 |
 | 21 | $1526.75 |
1 global rating
Top reviews
TacFire milspec buffer tube kit is a budget option that works. The QD socket placement on one side is awkward for right handed shooters - it sits where my support hand thumb tends to rest. Once you adjust your grip its functional.
