Description
HK German HK21E, 23E, 11E & 13E Hammer Spring – German
This is the heaviest HK hammer spring available for the roller lock family of firearms. The factory correct hammer spring for the beltfed series of firearms. Made in Germany and production has been discontinued.
Compatible With:
- HK23E
- HK21E
- HK13E
- HK11E
- HK21 Older style
- MM23E, MM21E
