Product Description The Aero Precision Mil-Spec Carbine Buffer Spring (APRH100504C) is a precision-engineered recoil spring designed specifically for AR-15 carbines equipped with a collapsible buttstock. Built to Mil-Spec standards and proudly made in the USA, this silver-finished buffer spring delivers reliable cycling performance and consistent recoil management. Whether you are completing a new AR-15 build or replacing a worn-out spring in an existing rifle, this drop-in component offers a straightforward, high-quality solution that meets military specifications. Product Highlights Mil-Spec Compliance: Built to military specifications for reliable, consistent performance in AR-15 carbine platforms. Designed for Collapsible Buttstocks: Engineered specifically for AR-15 carbines with a collapsible buttstock for proper fit and function. Direct Replacement or New Build Ready: Serves as a perfect drop-in replacement for worn-out buffer springs or as an essential component for new AR-15 builds. Made in the USA: Manufactured domestically to ensure consistent quality and reliability. Silver Finish: Durable silver finish adds a clean aesthetic while resisting corrosion. Specs Brand: Aero Precision MPN: APRH100504C UPC: 840014606610 Type: Buffer Spring Color/Finish: Silver Firearm Fit: AR-15 Carbine Stock Compatibility: Collapsible Buttstock Style: Mil-Spec Length: 11.5 in. Width: 1.4 in. Height: 1.3 in. Weight: 0.1 lbs. Country of Manufacture: USA Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer. ]]>