...Or any other semi automatic rifle with detachable magazines From the 2016 Oregon Hunting Regulations page 27: http://www.dfw.state.or.us/resources/hunting/big_game/docs/16ORHD_LR.pdf Centerfire firearm •Fully automatic firearms prohibited. •Semiautomatic rifles with a magazine capacity greater than five cartridges prohibited (except for western gray squirrel). •Military or full-metal jacket bullets in original or altered form prohibited. •Hunters may use any muzzleloader with any ignition type, except matchlock, any legal sight, any propellant, or any bullet type during centerfire firearm seasons, provided the weapon meets caliber restriction for the species Question - is it legal in Oregon to use a 10 round magazine that has a 5 round limiter in place when hunting? Or does the above mean that since I can put a magazine in the rifle that holds over 5 rounds it can't be used? Obviously regular hunting ammunition would be used.