How powerful would a 20 mm handheld automatic rifle be? It heavily resembles an MG 08. It is gas operated and has 5 rounds per second (as an infantry weapon). - Quora
![19/1/2020 [1.95.0.49] 20 mm Ho-1/Ho-3 cannon AP-T wrong penetration - Documented Aircraft Reports - War Thunder - Official Forum 19/1/2020 [1.95.0.49] 20 mm Ho-1/Ho-3 cannon AP-T wrong penetration - Documented Aircraft Reports - War Thunder - Official Forum](https://i.imgur.com/z5zPuxX.jpg)
19/1/2020 [1.95.0.49] 20 mm Ho-1/Ho-3 cannon AP-T wrong penetration - Documented Aircraft Reports - War Thunder - Official Forum
![Experimental PTR RES anti tank gun from 1942. 20 mm bullet was based on 45 mm casing, that gave it velocity of around 1300 m/s with roughly 60 mm of penetration at Experimental PTR RES anti tank gun from 1942. 20 mm bullet was based on 45 mm casing, that gave it velocity of around 1300 m/s with roughly 60 mm of penetration at](https://preview.redd.it/experimental-ptr-res-anti-tank-gun-from-1942-20-mm-bullet-v0-taucfzv4798a1.jpg?width=640&crop=smart&auto=webp&s=1ff3da42cf739dc8797a30bbfb979e8040e7b8e0)
Experimental PTR RES anti tank gun from 1942. 20 mm bullet was based on 45 mm casing, that gave it velocity of around 1300 m/s with roughly 60 mm of penetration at
![Penetration test of a 20mm anti-tank rifle using quarter inch steel plates (X-Post from /r/woahdude) : r/WorldofTanks Penetration test of a 20mm anti-tank rifle using quarter inch steel plates (X-Post from /r/woahdude) : r/WorldofTanks](https://external-preview.redd.it/w-V7ohPXv_7K87nOvvpoJGyNK4dZ7mtlddtnNgsQq0o.jpg?format=pjpg&auto=webp&s=fd7e2863c74b86ca62e832ef7b99e062c6431577)
Penetration test of a 20mm anti-tank rifle using quarter inch steel plates (X-Post from /r/woahdude) : r/WorldofTanks
![Anti-Material Rifles and ammunition .50 cal-20mm range (2009) - General Ammunition Discussion - International Ammunition Association Web Forum Anti-Material Rifles and ammunition .50 cal-20mm range (2009) - General Ammunition Discussion - International Ammunition Association Web Forum](https://global.discourse-cdn.com/business6/uploads/cartridgecollectors/original/3X/9/5/954f02341b8ff1a68b17141d5ef76236f622b054.jpeg)