Mass market. They can look at the gunpowder if they find enough of it. Reloading powder is different from factory powder. If needed you can always take the round apart and remove some of the powder.
California: Ammo shipments must be sent to an FFL unless the recipient has an FFL03 and a COE.
Colorado: No specific ammunition restrictions.
Connecticut: FOID is required for ammo purchases; there is no dropship ammo.
Delaware: No specific ammunition restrictions.
Florida: No specific ammunition restrictions.
Georgia: No specific ammunition restrictions.
Hawaii: No specific ammunition restrictions.
Idaho: No specific ammunition restrictions.
Illinois: FOID card required for ammunition purchases.
Indiana: No specific ammunition restrictions.
Iowa: No specific ammunition restrictions.
Kansas: No specific ammunition restrictions.
Kentucky: No specific ammunition restrictions.
Louisiana: No specific ammunition restrictions.
Maine: No specific ammunition restrictions.
Maryland: No sales of ammo to Annapolis.
Massachusetts: State-issued ID and FOID are required for ammunition shipments.
Michigan: No specific ammunition restrictions.
Minnesota: No specific ammunition restrictions.
Mississippi: No specific ammunition restrictions.
Missouri: No specific ammunition restrictions.
Montana: No specific ammunition restrictions.
Nebraska: No specific ammunition restrictions.
Nevada: No specific ammunition restrictions.
New Hampshire: No specific ammunition restrictions.
New Jersey: FOID and state ID are required for ammo purchases; there is no dropship ammo.
New Mexico: No specific ammunition restrictions.
New York: Ammo shipments must be sent to an FFL, or the customer must provide a valid state-issued ID and can only ship to the address on that ID.
North Carolina: No specific ammunition restrictions.
North Dakota: No specific ammunition restrictions.
Ohio: No specific ammunition restrictions.
Oklahoma: No specific ammunition restrictions.
Oregon: No specific ammunition restrictions.
Pennsylvania: No specific ammunition restrictions.
Rhode Island: A license is required for the purchase of ammunition; residents must be 21 years or older and possess a valid pistol or revolver safety certificate.
South Carolina: No specific ammunition restrictions.
South Dakota: No specific ammunition restrictions.
Tennessee: No specific ammunition restrictions.
Texas: No specific ammunition restrictions.
Utah: No specific ammunition restrictions.
Vermont: No specific ammunition restrictions.
Virginia: No specific ammunition restrictions.
Washington State: No specific ammunition restrictions.
Washington D.C.: No sales of ammo or projectiles.
West Virginia: No specific ammunition restrictions.