From the Louisiana Dept. of Revenue:
BATON ROUGE, LA - Hunters and campers will pay no sales tax on firearms, ammunition, and hunting supplies during the Louisiana Second Amendment Weekend Tax Holiday Sept 7 through Sept. 9. During these three days, eligible purchases are exempt from the four percent state sales tax and all local sales taxes.
The exemption applies to a wide range of supplies, including:
Shotguns, rifles, pistols, revolvers or other handguns
Ammunition intended to be fired from a gun or firearm
Accessories designed to be used for hunting
Apparel such as safety gear, camouflage clothing, jackets, hats, gloves, mittens, face masks and thermal underwear for use while hunting
Off-road vehicles such as all-terrain vehicles designed for hunting. The exemption does not apply to golf carts, bikes, motorcycles, tractors, or motor vehicles that may be legally driven on highways.