Brand: Heckler & Koch (H&K)
Model: HKP-00511
Function: Provides spring tension to the bolt head locking lever to ensure the bolt head is held securely against the carrier during the cycling process.
Material: Heat-treated steel with factory anti-corrosion plating.
Finish: Black / Anti-corrosion plated.
Weight: Approximately 0.01 lbs.
Includes: One (1) bolt head locking lever helical spring.

Features

The H&K Bolt Head Locking Lever Spring is a critical replacement component designed to maintain proper function and reliability in roller-delayed blowback systems. Compatible with platforms such as the HK33, HK53, HK91, HK93, and HK G3—as well as compatible clones. This spring ensures consistent engagement of the bolt head locking lever for proper cycling and operation. Manufactured from durable materials and finished in black, this spring is built to withstand repeated use while maintaining consistent tension. Replacing worn or fatigued springs can restore reliability and extend the service life of your firearm’s internal components. Whether for routine maintenance or repair, this H&K locking lever spring delivers dependable performance where it matters most.

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