Montana laws by category

Consumer fireworks (1.4G, meeting CPSC standards) are legal statewide in Montana, but retail sale is allowed only June 24–July 5 and December 29–31 (MCA 50-37-106); there is no statewide restriction on use dates. Exceptions may apply — read the full rule.

Montana has permitless carry: no permit is required to carry concealed for anyone eligible to possess a firearm under state or federal law (MCA 45-8-316(3)). Exceptions may apply — read the full rule.

Montana is a control state for spirits: all distilled spirits flow through the state liquor warehouse and are sold through privately operated, state-contracted "agency liquor stores." Beer and table wine under 16% alcohol by volume are sold at grocery and convenience stores.

Radar detectors are legal in private passenger vehicles in Montana — Montana's traffic-regulation and vehicle-equipment chapters (MCA title 61, chapters 8 and 9) have no ban on them. Exceptions may apply — read the full rule.

In Montana, open burning is allowed year-round, but you must first get a permit from your county fire-control authority and activate it on the burn day. Exceptions may apply — read the full rule.

In Montana, you need a freshwater fishing license from age 12 (11 & under exempt). Licenses are issued by Montana Fish, Wildlife & Parks (MFWP).

Montana does not have a general sales or use tax (Montana Department of Revenue). Exceptions may apply — read the full rule.

Recreational cannabis is legal in Montana for adults 21 and older (Initiative 190, approved November 3, 2020; MCA Title 16, chapter 12), and a medical program for registered cardholders also operates.

In Montana, a person may not hunt any big game animal, or accompany a hunter as an outfitter or guide, without wearing at least 400 sq in of daylight fluorescent hunter orange above the waist. Exceptions may apply — read the full rule.

Montana sports betting is legal only through the state-run "Sports Bet Montana" (Montana Lottery), and you must be 18+. Kiosks/terminals at licensed retailers; the app works only while physically on a licensed retailer's premises. No statewide remote mobile.

Montana requires no education card for adults; youths 13-14 may operate a motorboat/PWC over 10 hp only with a Montana motorboat operator's safety certificate or if accompanied by someone 18+.

Montana bans no knife by type (switchblade ban repealed 2019) and defines a concealed weapon as only a firearm, so automatic knives are legal to own and carry (MCA 45-8-315).

Montana (MCA 45-6-210, 2025): flying a drone 200 ft or lower over another's property/residence without authorization is criminal trespass.