Luth-AR AR-308 Carbine Buffer Spring
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Luth-AR
Overview
The Luth-Ar LLC AR-308 Carbine Buffer Spring is designed specifically for AR-10 builds and measures to a carbine length, which provides the necessary resistance and performance for optimal cycling of the action. This spring plays a crucial role in maintaining reliable function by absorbing recoil and ensuring that the buffer and bolt carrier group operate smoothly during firing. You'll commonly find this buffer spring in builds aimed at providing a balance between weight and performance, making it suitable for a variety of AR-10 applications.
Specifications
Available Merchants(7)
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Price Alert
September 2026 on GunPartPicker
Luth-AR AR-308 Carbine Buffer Spring ranked #33 of the 57 buffer springs builders added on GunPartPicker in September 2026. Builders on GunPartPicker first added it 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 all 7 retailers we track have it in stock. Prices barely moved in September 2026, holding around $4.39, so there haven't been real sales lately. Buying today, the lowest price is $4.39 at Brownells, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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