A SIMPLE KEY FOR BULK 300 BLACKOUT UNVEILED

Yes it is the 7.62X40 is the same cartridge that Wilson would make. I'm unaware of any other seven.62X40 so I just leave off the WT.  Every little thing I posted was accurate to The point that you might take one of the lighter bullets and get close to 200 FPS above the 300BLK nevertheless the slight speed advantage diminishes because the bullets g