Categories All About Guns Jamie Horst shooting a 20mm rifle. Post author By Grumpy Post date July 4, 2021 No Comments on Jamie Horst shooting a 20mm rifle. There is almost no way in Hell would I fire this Monster today with my back the way it is! Grumpy ← 5 great military surplus rifles for hunting by John McAdams → Canister Shot From Civil War Cannon.wmv Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ