Please email us at techsales@opticsplanet.com so we can further answer your question.
The picatinny base at the link below should work for the model Henry and the hammer extension at the second link below will fit that rifle.
https://www.opticsplanet.com/area-419-henry-action-1913-improved-scope-rail.html?_iv_parent-gun-make=henry&_iv_gun-model=henry-h010&_iv_code=4MD-MT-HEN1D-419-ISR-HENLA-0
https://www.opticsplanet.com/grovtec-us-hammer-extension.html?_iv_gun-model=henry-big-boy
Please email us at techsales@opticsplanet.com so we can further answer your question.
Please email us at techsales@opticsplanet.com so we can further answer your question.
Please email us at techsales@opticsplanet.com so we can further answer your question.
Yes, they should work no problem.
Yes, it should fit but is not a guarantee.
Yes, it should fit but is not a guarantee.
Please email us at techsales@opticsplanet.com so we can further answer your question.
Picatinny is recommended.