"43 Mauser" with Cast bullets

A bit of range footage from a few years ago when I was trying some commercial cast bullets in a "43 Mauser" rifle. The rifle is a Mauser 71/84 in 11×60mm Mauser that at some point had been modified into a "short rifle" configuration. Ammo is composed of modified 45/70 brass with a commercial 380 grain cast bullet, one batch loaded with a charge of Alliant Unique and the other with Alliant 2400 powder.