Luth-AR Carbine .308/7.62NATO Buffer Spring Fits Carbine Receiver Extension - L308-CS-10A
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Luth-AR
Overview
The Luth-AR Carbine .308/7.62NATO Buffer Spring is designed specifically for carbine receiver extensions, ensuring reliable function in your AR-15 or similar builds. This spring is compatible with Mil-Spec buffer tubes and provides the necessary tension for optimal cycling of the action. You'll commonly find this spring in builds that prioritize a compact design and are tailored for .308 or 7.62 NATO cartridges.
Specifications
Luth-AR Carbine .308/7.62NATO Buffer Spring Fits Carbine Receiver Extension - L308-CS-10A
Price and stock
Availability is good for the Luth-AR Carbine .308/7.62NATO Buffer Spring Fits Carbine Receiver Extension - L308-CS-10A: it was in stock at one retailer or another nearly every day in September 2026, and today both retailers we track have it in stock. Prices barely moved in September 2026, holding around $6.10, so there haven't been real sales lately. Buying today, the lowest price is $6.10 at AT3 Tactical, which matches the best price we saw in September.
Prices checked · refreshed daily across 37 retailers
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