Categories All About Guns Ammo .50 Cal Machine Gun vs 20mm Autocannon – Which Inflicts the Most Damage Post author By Grumpy Post date August 18, 2022 No Comments on .50 Cal Machine Gun vs 20mm Autocannon – Which Inflicts the Most Damage ← A Smith & Wesson M&P manf. in 1948 long action pre M10 in caliber .38 Special → Thomas Healy’s Colt and Prohibition Police Work By Kurt Allemeier Leave a Reply Cancel replyYour email address will not be published.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