Deer caliber rules by state
"Is my rifle legal for deer here?" is one of the most-argued questions in hunting, because the answer swings wildly by state and even by county. This table sorts all 50 states into four rule types, flags where a .223 or 5.56 is off the table, and links each to its official regulations. It is a starting point to orient you, not the last word.
⚠️ This is a plain-English summary, last reviewed July 2026, and hunting law changes every year and varies by zone, season and public-versus-private land. It is not legal advice. Before you hunt, confirm the current rule on your state's official regulations, linked in every row.
| State | Rule type | .223 for deer | What it means |
|---|---|---|---|
| Alabama ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. .223 and up are allowed. |
| Alaska ↗ | Open | Legal | No minimum caliber; use an adequate big-game cartridge. |
| Arizona ↗ | Open | Legal | No minimum caliber; centerfire rifle legal for deer. |
| Arkansas ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. |
| California ↗ | Open | Legal | No minimum caliber, but a centerfire rifle with an expanding bullet is required. |
| Colorado ↗ | Min caliber | Not allowed | Minimum .24 caliber (.240) and 1,000 ft-lb of energy, so .223 and 5.56 are not legal. |
| Connecticut ↗ | Min caliber | Not allowed | Rifle use is limited and .22-caliber centerfire like .223 is not allowed for deer; shotgun and muzzleloader dominate. |
| Delaware ↗ | Straight-wall | Not allowed | No bottleneck rifles for deer; shotgun, muzzleloader, straight-wall rifle and handgun only. |
| Florida ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. .223 is allowed. |
| Georgia ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. .223 is allowed. |
| Hawaii ↗ | Open | Legal | No minimum caliber, but a centerfire rifle producing at least 1,200 ft-lb of muzzle energy is required. |
| Idaho ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. .223 is allowed. |
| Illinois ↗ | Straight-wall | Not allowed | Bottleneck rifles are not legal for deer; straight-wall cartridge rifles, shotgun and muzzleloader only. |
| Indiana ↗ | Straight-wall | Not allowed | Rifles must fire an approved straight-wall or pistol cartridge (roughly .357 to .50, case 1.16-1.80 in); conventional bottleneck rifles like .223 are not allowed on most land. |
| Iowa ↗ | Straight-wall | Not allowed | No conventional rifles for deer; straight-wall cartridge rifles (case .850-1.80 in), shotgun and muzzleloader in the firearm seasons. |
| Kansas ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. .223 is allowed. |
| Kentucky ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. .223 is allowed. |
| Louisiana ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. |
| Maine ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. .223 is allowed. |
| Maryland ↗ | Straight-wall | Not allowed | Bottleneck rifles are restricted; straight-wall rifles (.357 and up) are allowed in many counties, with shotgun and muzzleloader elsewhere. |
| Massachusetts ↗ | No rifles | Not allowed | No rifles for deer; shotgun, muzzleloader and archery only. |
| Michigan ↗ | Straight-wall | Check zone | Zoned: the southern shotgun zone allows straight-wall cartridge rifles, the northern zone allows all centerfire rifles. Check your zone. |
| Minnesota ↗ | Open | Check zone | Centerfire rifles are broadly legal, but a few areas keep shotgun or straight-wall limits; verify your zone. |
| Mississippi ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. .223 is allowed. |
| Missouri ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. |
| Montana ↗ | Open | Legal | No minimum caliber; use an adequate big-game cartridge. |
| Nebraska ↗ | Open | Legal | Minimum .22 centerfire; .223 and up are legal. |
| Nevada ↗ | Open | Legal | Centerfire rifle required; no small caliber minimum beyond centerfire. |
| New Hampshire ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. .223 is allowed. |
| New Jersey ↗ | No rifles | Not allowed | No rifles for deer; shotgun, muzzleloader and archery only. |
| New Mexico ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. .223 is allowed. |
| New York ↗ | Straight-wall | Check zone | Zoned: rifle areas allow centerfire rifles, other counties are shotgun or muzzleloader only. Check your county. |
| North Carolina ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. .223 is allowed. |
| North Dakota ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. |
| Ohio ↗ | Straight-wall | Not allowed | Only straight-wall cartridge rifles (roughly .357 to .50) are legal for deer, plus shotgun, muzzleloader and handgun; no bottleneck rifles. |
| Oklahoma ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. |
| Oregon ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. .223 is allowed. |
| Pennsylvania ↗ | Open | Legal | No minimum caliber statewide; centerfire rifle legal. .223 is currently allowed. |
| Rhode Island ↗ | No rifles | Not allowed | No rifles for deer; shotgun, muzzleloader and archery only. |
| South Carolina ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. .223 is allowed. |
| South Dakota ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. |
| Tennessee ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. .223 is allowed. |
| Texas ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. .223 is allowed. |
| Utah ↗ | Open | Legal | Centerfire rifle with an expanding bullet required; no small-caliber minimum. |
| Vermont ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. |
| Virginia ↗ | Min caliber | Not allowed | A .22-caliber centerfire such as .223 is not permitted for deer; larger centerfire rifles are legal where rifles are allowed. |
| Washington ↗ | Min caliber | Not allowed | Minimum .24 caliber for deer, so .223 and 5.56 are not legal. |
| West Virginia ↗ | Min caliber | Not allowed | A .22-caliber centerfire like .223 is not permitted for deer; use a larger centerfire. |
| Wisconsin ↗ | Open | Check zone | Centerfire rifles are legal statewide since the shotgun zones were lifted; verify any local restrictions. |
| Wyoming ↗ | Open | Legal | No minimum caliber; centerfire rifle legal. .223 is allowed. |
No state matches that. Check the spelling, or clear the search.
The four kinds of rule
No minimum caliber. Most states set no minimum and trust the hunter to pick an adequate cartridge. Here a .223 is usually legal, though many hunters still choose something bigger for a cleaner, more ethical kill on deer.
Minimum caliber. A handful of states set a floor (often around .24 caliber, sometimes with an energy minimum), which quietly rules out the .223 and 5.56 even though they are legal a state over.
Straight-wall and shotgun zones. Historically flat, populated states limited deer hunting to shotguns for safety. Many now allow straight-wall cartridge rifles (think .350 Legend, .450 Bushmaster) in those zones, but conventional bottleneck rifles like the .223 or .308 remain off-limits there.
No rifles for deer. A few states still allow only shotgun, muzzleloader and archery for deer, with no centerfire rifles at all.
Whatever the law allows, caliber is not the whole story: bullet construction and shot placement matter more than raw size. Work out whether your setup carries enough energy for the animal with the cartridge and energy guide, and put the shot where it counts with the shot placement guide.
Back to the main hunting regulations hub for the full 50-state agency directory and a pre-hunt legal checklist. Scoring a buck this season? Try the antler score calculator.
Free to cite: link back to this page. Rules are summarised for orientation and change often - the official state regulations linked in each row are the authority.