Product Description The Armaspec ARM253-SFAR Stealth Recoil Spring is a premium, drop-in buffer spring replacement engineered for AR-15 platforms. Designed to eliminate the annoying "sproing" sound common with standard buffer springs, this Gen 4 assembly keeps the spring from contacting the inner wall of the buffer tube, delivering noticeably smoother and quieter cycling. The adjustable spring weight allows shooters to fine-tune their rifle&';s cycling characteristics to match their specific ammunition and shooting needs. Built with high-quality stainless steel and featuring a durable polymer end cap, the Stealth Recoil Spring is a direct upgrade that enhances both the performance and feel of your AR-15. Product Highlights Designed to prevent buffer spring contact with the inner buffer tube wall, eliminating noise and improving smooth operation Gen 4 design with adjustable spring weight for personalized cycling performance Direct drop-in replacement for standard AR-15 buffer springs -- no modifications required Stainless steel construction with a black polymer end cap for long-lasting durability Reduces felt recoil and mechanical noise, improving overall shooting comfort and control Specs Brand: Armaspec Model: Stealth Recoil Spring SFAR Manufacturer Part Number (MPN): ARM253-SFAR UPC: 810048494309 Generation: Gen 4 Compatibility: AR-15 Material: Stainless Steel / Polymer Adjustable Spring Weight: Yes AR-15 Accessory: Yes 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. ]]>