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Expo Arms
Overview
The Expo Arms Rifle Length Gas Tube is designed to enhance the reliability and performance of your AR-15, featuring a polished stainless steel finish that not only provides durability but also resists corrosion. With a rifle-length gas system, this tube ensures optimal gas flow, which is critical for reliable cycling, especially in builds utilizing the .22 ARC caliber. This gas tube commonly appears in setups focused on precision and consistent operation, making it a solid choice for builders looking to maximize their rifle's performance.
Prices checked
Builders on GunPartPicker first added the Expo Arms Rifle Length Gas Tube - Stainless Steel to a build in February 2026.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today the one retailer we track has it in stock. Prices barely moved in September 2026, holding around $10.99, so there haven't been real sales lately. Buying today, the lowest price is $10.99 at Primary Arms, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every gas tube by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Gas Tube Guide →Check it against the live catalog:
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