Product DescriptionThe ALG Defense High Energy Mainspring is a performance replacement spring designed for AK-47 and AK-74 platform rifles. Made from Chrome Silicon single wire and fabricated to ASTM A401 specifications, this upgraded mainspring is engineered to develop approximately 25% more torque than a standard factory mainspring. The added energy helps lower lock time and improve the consistency of primer ignition for more reliable performance.Product Highlights High-energy replacement mainspring for AK-47/AK-74 rifles (milled and stamped receivers) Chrome Silicon single-wire construction built for durability and consistent spring performance Manufactured to ASTM A401 spring steel specifications Generates about 25% more torque than standard factory mainsprings Helps reduce lock time and improve consistency of primer ignitionSpecs Brand: ALG Defense Product Type: High energy mainspring (hammer/main spring) Compatibility: AK-47 and AK-74 (milled and stamped receivers) Material: Chrome Silicon Wire Type: Single wire Manufacturing Spec: ASTM A401 Torque Increase: ~25% more than standard factory mainspring Color: Black UPC: 817953021903 Manufacturer Part Number: 04-233-F Shipping Weight: 0.046 lbDisclaimer: 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.