Vary: Know how much the ammo can journey safely and securely. Some rounds work very best at near selection, while some can go farther. Browse the instructions! Which is my thought also. From time to time I like to get out a rifle and shoot < 50rds by it. I https://howmuchdoesa20mmroundcost01998.salesmanwiki.com/9956547/the_basic_principles_of_how_much_does_a_20mm_round_cost