The ALG Defense ALG AK High Energy Main Spring is a performance-focused replacement hammer spring for AK-47 and AK-74 pattern rifles. Built from durable chrome silicon steel and engineered to ASTM A401 specifications, this single-wire mainspring delivers increased torque over standard factory springs to support more consistent primer ignition and reduced lock time.

This mainspring is ideal for shooters who want to improve reliability on range rifles, training carbines, or competition builds that may use harder primers or see high round counts. By boosting hammer energy without altering the core ergonomics of the rifle, it helps maintain dependable function shot after shot. ALG Defense is known for thoughtful engineering and robust fire control components that enhance practical performance.

Key Features:

• Manufacturer: ALG Defense
• Model: AK High Energy Main Spring
• Type: Spring
• Material: Chrome Silicon Steel
• Compatibility: AK-47/74 Platform Rifles
• Key Benefit: Approximately 25% More Torque Than Standard Factory Main Springs