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VLTOR
Overview
The Vltor Weapon Systems A5 Receiver Extension Tube is a Mil-Spec buffer tube designed specifically for A5 systems, providing a robust foundation for your build. This tube is engineered to work seamlessly with A5 buffers, which helps to optimize the recoil management and overall function of your AR-15. You will commonly find this buffer tube in builds utilizing a Mid-Length gas system chambered in 5.56 NATO, making it a solid choice for a balanced shooting experience.
Prices checked
VLTOR Weapon Systems A5 Receiver Extension Tube was the fifth most added buffer tube on GunPartPicker in October 2026. Builders have been adding it to their builds on GunPartPicker since January 2026. All time, it ranks #12 of the 69 buffer tubes builders have added. Builds with this buffer tube are mostly chambered in 5.56 NATO (64%, then .223 Wylde 22%), split between carbine-length (40%) and mid-length (38%) gas systems, and mostly AR-15 (94%).
It was hard to find in October 2026, in stock on only 5 of the 16 days we checked, and today none of the 5 retailers we track has it in stock right now. Prices barely moved in October 2026, holding around $56.66, so there haven't been real sales lately. Listed prices start at $56.66 at Primary Arms for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every buffer tube by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Buffer Tube 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 Vltor Weapon Systems A5 Receiver Extension Tube
| Build | Parts | Total |
|---|---|---|
 | 27 | $6557.49 |
 | 19 | $1642.33 |
 | 16 | $2272.11 |
 | 24 | $2063.46 |
 | 26 | $3058.41 |
 | 22 | $1378.82 |
 | 27 | $5306.68 |
1 global rating
Top reviews
VLTOR A5 receiver extension tube has the profile I wanted for a smoother recoil impulse setup. A5 spec is slightly longer than carbine extensions which allows the longer A5 spring and buffer. Quality aluminum body. Solid premium tube.
