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Amend this as needed
Alabama
40 caliber or larger
Powder restriction not specified
Alaska
45cal or larger
No Smokeless
In addition to general hunting restrictions listed on page 18, you MAY NOT:
Hunt big game with a muzzleloader equipped with a scope, or using smokeless powder as a charge, during any special season for muzzleloading firearms only.
Arizona
No caliber restriction specified
No Smokeless
A Muzzle-loading handgun means a firearm intended to be fired from the hand, incapable of firing fixed ammunition, having a single barrel, loaded through the muzzle with black powder or synthetic black powder, and a single projectile
Arkansas
40cal or larger
Powder restriction not specified
California
40cal or larger
No Smokeless
Smokeless powder prohibited in muzzleloading seasons. Black powder and black-powder substitutes are legal.
Colorado
40cal or larger
No Smokeless
Propellent/Powders: The use of pelletized powder systems and smokeless powder are prohibited.
Connecticut
45cal or larger
Powder restriction not specified
Delaware
42cal or larger
Powder restriction not specified
Florida
30cal or larger
No Smokeless
The legal types of guns for use during the muzzleloading gun season use black powder or a non-nitro-cellulose substitute and are fired by wheel lock, flintlock or percussion cap ignition (including 209 primers). Muzzleloaders using smokeless powder, those that can be loaded from the breech or those with self-contained cartridge ammunition capabilities are not legal during this period.
Georgia
44cal or larger
Powder restriction not specified
Hawaii
44cal or larger
Powder restriction not specified
Idaho
45cal or larger
No Smokeless
Loaded only with loose black powder, loose Pyrodex, or other loose synthetic black powder. Pelletized powders are prohibited.
Illinois
45cal or larger
Smokeless allowed
Only black powder or a “black powder substitute” such as Pyrodex may be used. Modern smokeless powders are an approved black powder substitute only in muzzleloading firearms that are specifically designed for their use
Indiana
44cal or larger
Powder restriction not specified
Iowa
44cal or larger
Powder restriction not specified
Muzzleloaders equipped with electronic ignition are not allowed. There are no restrictions on in-line or disk-type muzzleloaders.
Kansas
45cal or larger 210gr minimum
Powder restriction not specified
Kentucky
No caliber or powder restriction specified for rifles.
Louisiana
44cal or larger
Unclear but smokeless appears to be illegal
Legal Primitive Firearms for Special Primitive Firearms Season include: rifles or pistols, .44 caliber minimum, or shotguns 10 gauge or smaller, all of which must load exclusively from the muzzle or cap and ball cylinder, use black powder or approved substitute only, take ball or bullet projectile only, including saboted bullets, including primitive firearms known as “in line” primitive firearms, and Single shot, breech loading rifles, .35 caliber or larger, having an exposed hammer that use metallic cartridges loaded either with black powder or modern smokeless powder.
Maine
40cal or larger
Powder restriction not specified
Maryland
40cal or larger
No Smokeless allowed
Muzzleloaders used for deer and bear hunting must be at least .40 caliber in size and use not less than 60 grains of black powder (or a black powder equivalent)
Massachusetts
44cal or larger
No Smokeless
So-called "in-line" ignition systems which have a horizontal firing mechanism instead of a traditional hammer system are lawful, provided they meet all other provisions of these requirements; may be either rifled bore or smoothbore, is of a caliber not less than .44 nor greater than .775, and has a barrel length of 18 inches or longer, is used only with black powder or a synthetic substance such as "Pyrodex" which is approved for competitive muzzle-loading shoots by the National Muzzle Loading Rifle Association
Michigan
No Caliber restriction
No Smokeless
a muzzleloading shotgun, or a black powder handgun loaded with black powder or a commercially manufactured black powder substitute
Minnesota
40cal or larger
Powder restriction not specified
Mississippi
38cal or larger
No Smokeless
All muzzle-loading Primitive Firearms must use black powder or a black powder substitute with either percussion caps or #209 shotgun primers or flintlock ignition
Missouri
40cal or larger
Powder restriction not specified
Montana
45cal or larger
No Smokeless
must be charged with black powder, pyrodex, or an equivalent; must be ignited by a percussion, flintlock, matchlock, or Wheelock mechanism
Nebraska
44cal or larger
Powder restriction not specified
Nevada
45cal or larger
No Smokeless allowed
Only black powder or a black powder substitute such as Pyrodex or Triple 7 may be used as a propellant
New Hampshire
40cal or larger
Powder restriction not specified
New Jersey
44cal or larger
No Smokeless
Only black powder or black powder equivalents, such as Pyrodex and Triple Se7en, may be used with a muzzleloading firearm when engaged in hunting. Modern smokeless powder is strictly prohibited while hunting game with a muzzleloading firearm.
New Mexico
45cal or larger
No Smokeless allowed
Only black powder, Pyrodex or an equivalent substitute may be used. Smokeless powder is illegal.
New York
44cal or larger
Powder restriction not specified
North Carolina
No caliber or powder restriction specified for rifles
The Commission defines a blackpowder firearm as any firearm that cannot use fixed ammunition
North Dakota
45cal or larger
No Smokeless
firing black powder or black powder substitutes are legal. Smokeless powders are not legal
Ohio
38cal or larger
Powder restriction not specified
Oklahoma
40cal or larger
Powder restriction not specified
Oregon
40cal or larger
No Smokeless
It is illegal to hunt with pelletized powders or propellants during muzzleloader-only seasons and 600 series hunts where there is a weapon restriction of shotgun/muzzleloader only or archery/muzzleloader only. Granular (loose) black powder and black powder substitutes are the only legal propellants during muzzleloader-only seasons and 600 series hunts where there is a weapon restriction of shotgun/muzzleloader only or archery/muzzleloader only
Pennsylvania
44cal or larger
Powder restriction not specified
Rhode Island
45cal or larger
Powder restriction not specified
Powder is limited to manufacturers’ specifications.
South Carolina
36cal or larger
No Smokeless
which use black powder or a black powder substitute that does not contain nitro-cellulose or nitro-glycerin components as the propellant charge
South Dakota
44cal or larger
No Smokeless
Smokeless powder is not allowed during muzzleloading seasons
Tennessee
36cal or larger
Powder restriction not specified
Texas
No caliber or powder restriction specified for rifles.
A Muzzleloader is defined as any firearm that is loaded only through the muzzle.
Utah
40cal or larger
No smokeless
It must be loaded with black powder or a black powder substitute. The black powder or black power substitute cannot contain smokeless powder, but may contain some nitrocellulose.
Vermont
43cal or larger
No Smokeless
Black Powder or other suitable not-smokeless propellant
Virginia
45cal or larger
Smokeless allowed
Must use at least 50 grains of black powder or black powder equivalent. Smokeless powder is allowed in muzzleloading firearms designed for it.
Washington
40cal or larger
No Smokeless
uses black powder or a black powder substitute as recommended by the manufacturer for use in all muzzleloading firearms
West Virginia
38cal or larger
Powder restriction not specified but............
A firearm that has been converted into a muzzleloader by use of a plug, or a double-barreled or swivel barreled muzzleloader is illegal for deer hunting during the muzzleloader season.
Wisconsin
40cal or larger
No Smokeless
inline muzzleloaders are legal to use during the 10-day muzzleloader hunt with black powder or any black powder substitutes.
Wyoming
40cal or larger
Unclear but likely illegal
using a charge of at least fifty (50) grains of black powder or its equivalent.
Alabama
40 caliber or larger
Powder restriction not specified
Alaska
45cal or larger
No Smokeless
In addition to general hunting restrictions listed on page 18, you MAY NOT:
Hunt big game with a muzzleloader equipped with a scope, or using smokeless powder as a charge, during any special season for muzzleloading firearms only.
Arizona
No caliber restriction specified
No Smokeless
A Muzzle-loading handgun means a firearm intended to be fired from the hand, incapable of firing fixed ammunition, having a single barrel, loaded through the muzzle with black powder or synthetic black powder, and a single projectile
Arkansas
40cal or larger
Powder restriction not specified
California
40cal or larger
No Smokeless
Smokeless powder prohibited in muzzleloading seasons. Black powder and black-powder substitutes are legal.
Colorado
40cal or larger
No Smokeless
Propellent/Powders: The use of pelletized powder systems and smokeless powder are prohibited.
Connecticut
45cal or larger
Powder restriction not specified
Delaware
42cal or larger
Powder restriction not specified
Florida
30cal or larger
No Smokeless
The legal types of guns for use during the muzzleloading gun season use black powder or a non-nitro-cellulose substitute and are fired by wheel lock, flintlock or percussion cap ignition (including 209 primers). Muzzleloaders using smokeless powder, those that can be loaded from the breech or those with self-contained cartridge ammunition capabilities are not legal during this period.
Georgia
44cal or larger
Powder restriction not specified
Hawaii
44cal or larger
Powder restriction not specified
Idaho
45cal or larger
No Smokeless
Loaded only with loose black powder, loose Pyrodex, or other loose synthetic black powder. Pelletized powders are prohibited.
Illinois
45cal or larger
Smokeless allowed
Only black powder or a “black powder substitute” such as Pyrodex may be used. Modern smokeless powders are an approved black powder substitute only in muzzleloading firearms that are specifically designed for their use
Indiana
44cal or larger
Powder restriction not specified
Iowa
44cal or larger
Powder restriction not specified
Muzzleloaders equipped with electronic ignition are not allowed. There are no restrictions on in-line or disk-type muzzleloaders.
Kansas
45cal or larger 210gr minimum
Powder restriction not specified
Kentucky
No caliber or powder restriction specified for rifles.
Louisiana
44cal or larger
Unclear but smokeless appears to be illegal
Legal Primitive Firearms for Special Primitive Firearms Season include: rifles or pistols, .44 caliber minimum, or shotguns 10 gauge or smaller, all of which must load exclusively from the muzzle or cap and ball cylinder, use black powder or approved substitute only, take ball or bullet projectile only, including saboted bullets, including primitive firearms known as “in line” primitive firearms, and Single shot, breech loading rifles, .35 caliber or larger, having an exposed hammer that use metallic cartridges loaded either with black powder or modern smokeless powder.
Maine
40cal or larger
Powder restriction not specified
Maryland
40cal or larger
No Smokeless allowed
Muzzleloaders used for deer and bear hunting must be at least .40 caliber in size and use not less than 60 grains of black powder (or a black powder equivalent)
Massachusetts
44cal or larger
No Smokeless
So-called "in-line" ignition systems which have a horizontal firing mechanism instead of a traditional hammer system are lawful, provided they meet all other provisions of these requirements; may be either rifled bore or smoothbore, is of a caliber not less than .44 nor greater than .775, and has a barrel length of 18 inches or longer, is used only with black powder or a synthetic substance such as "Pyrodex" which is approved for competitive muzzle-loading shoots by the National Muzzle Loading Rifle Association
Michigan
No Caliber restriction
No Smokeless
a muzzleloading shotgun, or a black powder handgun loaded with black powder or a commercially manufactured black powder substitute
Minnesota
40cal or larger
Powder restriction not specified
Mississippi
38cal or larger
No Smokeless
All muzzle-loading Primitive Firearms must use black powder or a black powder substitute with either percussion caps or #209 shotgun primers or flintlock ignition
Missouri
40cal or larger
Powder restriction not specified
Montana
45cal or larger
No Smokeless
must be charged with black powder, pyrodex, or an equivalent; must be ignited by a percussion, flintlock, matchlock, or Wheelock mechanism
Nebraska
44cal or larger
Powder restriction not specified
Nevada
45cal or larger
No Smokeless allowed
Only black powder or a black powder substitute such as Pyrodex or Triple 7 may be used as a propellant
New Hampshire
40cal or larger
Powder restriction not specified
New Jersey
44cal or larger
No Smokeless
Only black powder or black powder equivalents, such as Pyrodex and Triple Se7en, may be used with a muzzleloading firearm when engaged in hunting. Modern smokeless powder is strictly prohibited while hunting game with a muzzleloading firearm.
New Mexico
45cal or larger
No Smokeless allowed
Only black powder, Pyrodex or an equivalent substitute may be used. Smokeless powder is illegal.
New York
44cal or larger
Powder restriction not specified
North Carolina
No caliber or powder restriction specified for rifles
The Commission defines a blackpowder firearm as any firearm that cannot use fixed ammunition
North Dakota
45cal or larger
No Smokeless
firing black powder or black powder substitutes are legal. Smokeless powders are not legal
Ohio
38cal or larger
Powder restriction not specified
Oklahoma
40cal or larger
Powder restriction not specified
Oregon
40cal or larger
No Smokeless
It is illegal to hunt with pelletized powders or propellants during muzzleloader-only seasons and 600 series hunts where there is a weapon restriction of shotgun/muzzleloader only or archery/muzzleloader only. Granular (loose) black powder and black powder substitutes are the only legal propellants during muzzleloader-only seasons and 600 series hunts where there is a weapon restriction of shotgun/muzzleloader only or archery/muzzleloader only
Pennsylvania
44cal or larger
Powder restriction not specified
Rhode Island
45cal or larger
Powder restriction not specified
Powder is limited to manufacturers’ specifications.
South Carolina
36cal or larger
No Smokeless
which use black powder or a black powder substitute that does not contain nitro-cellulose or nitro-glycerin components as the propellant charge
South Dakota
44cal or larger
No Smokeless
Smokeless powder is not allowed during muzzleloading seasons
Tennessee
36cal or larger
Powder restriction not specified
Texas
No caliber or powder restriction specified for rifles.
A Muzzleloader is defined as any firearm that is loaded only through the muzzle.
Utah
40cal or larger
No smokeless
It must be loaded with black powder or a black powder substitute. The black powder or black power substitute cannot contain smokeless powder, but may contain some nitrocellulose.
Vermont
43cal or larger
No Smokeless
Black Powder or other suitable not-smokeless propellant
Virginia
45cal or larger
Smokeless allowed
Must use at least 50 grains of black powder or black powder equivalent. Smokeless powder is allowed in muzzleloading firearms designed for it.
Washington
40cal or larger
No Smokeless
uses black powder or a black powder substitute as recommended by the manufacturer for use in all muzzleloading firearms
West Virginia
38cal or larger
Powder restriction not specified but............
A firearm that has been converted into a muzzleloader by use of a plug, or a double-barreled or swivel barreled muzzleloader is illegal for deer hunting during the muzzleloader season.
Wisconsin
40cal or larger
No Smokeless
inline muzzleloaders are legal to use during the 10-day muzzleloader hunt with black powder or any black powder substitutes.
Wyoming
40cal or larger
Unclear but likely illegal
using a charge of at least fifty (50) grains of black powder or its equivalent.
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