Peterson Brass Large primer 22 Creedmoor head-stamped brass from Peterson Cartridge. VIEW PRODUCT Reloading Dies Reload your own 22 Creedmoor ammo using this set of dies from Whidden Gunworks made for Horizon Firearms. VIEW PRODUCT Horizon Loaded 22 Creed Ammo20-Count loaded ammunition available in 75-gr and 88-gr bullets. VIEW PRODUCT