Beavertail replacement questions

Rock Island Armory Government size frame already radiused from the factory for a factory installed beavertail grip safety. But I have no grip safety. Is there a replacement part that is a good fit or match for the frame? If not, then what size radius jig should I use to fit a new one since the frame is already radiused?

Try calling Brownells.  They have a bunch of different grip safeties in their inventory and give you a hand picking one out that will work.

Std grip safety radius on a RI is 250.  If you are looking to fit a better part then I'd look at the EGW 245 radius.. frankly never done one on a RI but it should work fine..

RI does sell their 250 radius safety online

Thank you!!!!