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Hi Martha, it should work, but it may or may not, you will have to try a box and see. My Ruger Mark IV is very picky with ammo. The only ammo I have found that will run consistently with no hiccups is Federal 40 grain https://www.budsgunshop.com/product_info.php/products_id/65989/federal+510+lightning+.22+lr+40+grain+50+round+box , Now, every gun is different, so yours may work with the Thunderbolts. Just test some ammo out before you stock up. Good luck, stay safe & have a great day!

Hi Martha and welcome. It will work no issue. I have fired this combo with no issues. Cheers, stay safe and enjoy!