Expo Arms A2 Rifle Length Buffer Tube
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Expo Arms
Overview
The Expo Arms A2 Rifle Length Buffer Tube is a Mil-Spec aluminum tube designed to accommodate a rifle-length buffer system, ensuring compatibility with standard AR-15 builds. Its hardcoat anodized finish provides enhanced durability and wear resistance, making it suitable for a variety of shooting environments. This buffer tube is commonly found in builds chambered in 5.56 NATO, where reliability and performance are prioritized.
Specifications
Available Merchants(1)
Prices checked
Price Alert
Build history on GunPartPicker
Builders have been adding the Expo Arms A2 Rifle Length Buffer Tube to their builds on GunPartPicker since February 2026. All time, it ranks #44 of the 64 buffer tubes builders have added.
Today the one retailer we track has it in stock. Buying today, the lowest price is $29.99 at Primary Arms.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
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