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VLTOR
Overview
The Vltor A5 Receiver Extension is designed specifically for A5 buffer systems, offering a smooth and reliable cycling experience. This black buffer tube is compatible with a variety of AR-15 builds that utilize the A5 operation system, which is known for its increased recoil management and improved reliability over standard buffer tube setups. Builders integrating this component often focus on enhancing the overall performance and feel of their rifles.
VLTOR A5 Receiver Extension Black ranked #22 of the 107 buffer tube kits builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #28 of the 186 buffer tube kits builders have added. Builds with this buffer tube assembly are mostly chambered in 5.56 NATO (88%, then .223 Wylde 13%), split between carbine-length (43%) and mid-length (29%) gas systems, and nearly all AR-15.
It was hard to find in October 2026, in stock on only 5 of the 20 days we checked, and today 2 of the 3 retailers we track have it in stock. Prices barely moved in October 2026, holding around $56.66, with no real sale all month. Buying today, the lowest price is $56.66 at Primary Arms, which matches the best price we saw in October.
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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