KJW M4 GBB Part No. 57 - Hammer Lock
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Original KJW part: M4-57.
Hammer Lock for the KJW M4.
Download Tip:
An instruction manual with exploded view of the KJW M4 GBB can be found here.
![](/catalog/images/b-kjw-parts-m4-part57-hammer-lock-details1.jpg)
![](/catalog/images/b-kjw-parts-m4-part57-hammer-lock-details2.jpg)
![](/catalog/images/b-kjw-parts-m4-part57-hammer-lock-details3.jpg)
Hammer Lock for the KJW M4.
Download Tip:
An instruction manual with exploded view of the KJW M4 GBB can be found here.
![](/catalog/images/b-kjw-parts-m4-part57-hammer-lock-details1.jpg)
![](/catalog/images/b-kjw-parts-m4-part57-hammer-lock-details2.jpg)
![](/catalog/images/b-kjw-parts-m4-part57-hammer-lock-details3.jpg)