The 308 Carbine Buffer and Spring is a essential component for your AR-10 rifle. Made specifically for the .308 caliber, this buffer and spring set ensures smooth and reliable cycling of your firearm. The buffer helps reduce recoil and provides proper bolt catch function, while the spring ensures consistent and controlled operation. Constructed from high-quality materials, this buffer and spring set is designed for durability and longevity. Upgrade your AR-10 with this .308 buffer spring for improved performance and reliability. Perfect for any shooter looking to enhance their rifle's capabilities in the AR-10 category.