Aero Precision AR .308 Rifle Buffer Spring
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Aero Precision
Overview
The Aero Precision AR .308 Rifle Buffer Spring is designed specifically for AR-10 platforms, providing the necessary spring tension for reliable cycling during operation. With a rifle length, it ensures optimal performance in builds that utilize a mid-length gas system and chamber .308 Winchester cartridges. This buffer spring is commonly found in precision-oriented builds where reliability and smooth operation are paramount.
Specifications
August 2026 on GunPartPicker
Aero Precision AR .308 Rifle Buffer Spring ranked #29 of the 58 buffer springs builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #30 of the 90 buffer springs builders have added. Builds with this buffer spring are nearly all chambered in .308 Win, nearly all on rifle-length gas, and nearly all AR-10.
It was hard to find in August 2026, in stock on only 5 of the 20 days we checked, and today only Stag Arms has it in stock. It dipped to $7.74 at Brownells for a stretch in August 2026, well under its usual $8.99 to $9.99, so sales do come around. Buying today, the lowest price is $10 at Stag Arms, above August's low of $7.74, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
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Read the guide: AR-15 Buffer Spring Guide →Frequently Built With
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