ive done mine with a large reach socket / an adaptor and rechargeable drill. a mappi gas bottle and wand completes the package. timing and practice is important but once youve come up with a time , its simply a case of dropping the hot brass into a tray of water. plenty do this on youtube (some will use templelac).
Rapid 7 / 10-22 ATN 2 Stiller Predator .204 Pulsar N970 Tikka T3 semi custom ATN MARS thermal.204 Tikka T3 Semi.223 Wylde IOR Operator Lawton 6mmBR Kahles Gen 3 - Stiller 6.5 x 47 Bushnell BDX - Winchester Red Performance SX3 12g