GrovTec Made In USA Hammer Extensions
HGTHM-284 fits all Henry .22s rimfire H001/H003/H004 series
HGTHM-283 fits Henry centerfire H006/H009/H010/H012/H018 series
Note for model H006 series Big Boy owners only:
Please note that the Henry Big Boy was recently updated. This hammer extension will fit on the new version. It will look like this.
If your Henry Big Boy has the old style hammer, as pictured here, call customer service at 866-200-2354 as you will need to obtain the new style hammer.