The Luth-AR .308/7.62 Carbine Buffer Spring is a high-quality replacement spring designed specifically for .308/7.62 AR-10 carbines using a standard M4-style collapsible buffer tube. Manufactured from durable tempered spring steel, this spring ensures smooth, reliable cycling and consistent performance while resisting fatigue and corrosion over thousands of rounds.
With approximately 24-25 coils and a free length of 9-3/4 inches, it provides the ideal tension and compression characteristics for proper function with standard carbine buffers in .308 platforms. A perfect upgrade or direct replacement to restore reliable operation in your AR-10 carbine.
With approximately 24-25 coils and a free length of 9-3/4 inches, it provides the ideal tension and compression characteristics for proper function with standard carbine buffers in .308 platforms. A perfect upgrade or direct replacement to restore reliable operation in your AR-10 carbine.
Features
- Tempered spring steel construction for strength and long service life
- 24-25 coils with 9-3/4" free length optimized for .308 carbine systems
- Designed for AR-10 carbines with standard collapsible buttstocks
- Ensures smooth bolt carrier group operation and reliable feeding
- Direct replacement for factory .308 carbine buffer springs
- Durable enough for high-round-count training and duty use
- Proudly made in the USA by Luth-AR