Dixie sells the no gunsmithing Quic-kee mount in 2 sizes. It's off-set to not interfer with the hammer and is held in place by magnets, 3 clamping screws and a velcro strap.
Here's the 1 inch version to fit the Renegade:
http://www.dixiegunworks.com/product...oducts_id=7613
And for 15/16" barrels:
http://www.dixiegunworks.com/product...oducts_id=7612