http://www.isegames.com/products/ISE/NHP/manual/Chapter_RealWorldShooting.htm
http://www.nrahq.org/compete/rules/rul_hpr_06.pdf
Palma
A Palma Match, known as the " America's Cup " of rifle shooting, is a special type of international High Power long range match. There are currently very few Palma ranges in the United States.
A Palma match course of fire consist of a total of 45 shots fired for record. The match starts at 800 yards. An unlimited amount of sighters and 15 shots for record are fired in 20 minutes. After shooting has completed, all shooters then move back to the 900 yard firing line. At this point, the shooters are allowed 2 sighter shots and 15 shots for record in 20 minutes. The final stage is then fired at 1000 yards, again 2 sighter shots and 15 shots for record are fired in 20 minutes.
International Palma rules limit matches to a Palma rifle. A Palma rifle consists of a single shot bolt action rifle weighing less than 6 kg (13.2lbs) in 7.62mm NATO caliber (.308 Winchester) firing a 155 grain palma bullet. US Palma rules allow any weight bullets, NRA Match and Service Rifles.
Palma Equipment
Equipment used in a Palma match is identical for that used in a regular High Power rifle competition except that a Palma rifle is used.