Expo Arms A2 Rifle Length Buffer Spring
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Expo Arms
Overview
The Expo Arms A2 Rifle Length Buffer Spring is specifically designed for AR-15 and AR-10 platforms, providing the necessary tension and travel length for optimal cycling in rifle-length buffer systems. This buffer spring is essential for maintaining reliability and smooth operation, particularly in builds that utilize a mid-length gas system and are chambered in 5.56 NATO. You’ll often find this spring in configurations focused on precision and stability, contributing to an enhanced shooting experience.
Specifications
Price and stock
The Expo Arms A2 Rifle Length Buffer Spring was out of stock everywhere we track for all of August 2026, and today the one retailer we track is out of stock. Listed prices start at $3.95 at Primary Arms for when it comes back.
Prices checked · refreshed daily across 35 retailers
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