I think it’s a standard legal thing. The range that I use, won’t allow handloads with anything rented from them.
“The range that I use, won’t allow handloads with anything rented from them.”
Firearms amnufacturers won’t warrant their weapons shooting reloads as some reloaders suck at it while factories usually do a good job. However, ranges also have been rejecting any customer supplied ammo as a means to increase range ammo sales.