

Product Description
The 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 ignition
Specs
- 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 lb
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