Description
H&K Hammer Spring For HK Burst Trigger Pack
The HK German factory intermediate poundage “satin” gray hammer spring is found in all 9mm, 40/10, and .556/223 burst trigger packs and is proven to be the most reliable and longest-lasting spring for burst trigger packs and trigger packs. Works in ALL burst packs and any Navy or SEF style trigger packs in the following calibers:
- 9mm
- 40/10
- 556/223
Please Note: In some cases, the burst hammer spring can be used in .308 trigger packs but may promote light-firing pin strikes with hard primers.
