There are good vids on Youtube about each position. Just search NRA High Power.
Here's a good vid of a guy shooting 300 rapid:
(NRA starts rapids in position with mags on ground, CMP starts rapids from the standing position with the 2rd mag inserted with a closed bolt, empty chamber, rack the bolt after you drop down in position.)
Here's a good vid of a guy shooting 300 rapid:
(NRA starts rapids in position with mags on ground, CMP starts rapids from the standing position with the 2rd mag inserted with a closed bolt, empty chamber, rack the bolt after you drop down in position.)