A 585 HE ...shot with moderate heavy load......
https://scontent.cdninstagram.com/t5...09533184_n.mp4
Here is a 375 HE target gun set up, by Asteroid Precision...
Here is video of it being tested... And with a 350gr bullet about 3450-3475,
bolt opened easily with one finger...And he's just getting started
and is checking on better powder, Ed..
https://www.facebook.com/AsteroidPre...location=group