Allen Del Norte Belt Loop Cartridge Holder Full Grain Leather BrownThe Del Norte carrier can hold up to six spare cartridges at a time. The carrier features belt loops, sized to fit around belt straps up to 2. 5 inches wide. The top of the holder features a flap to cover the opening of the carrier. The interior features 6 elastic cartridge loops sized to fit cartridges ranging from . 223 Rem to 300 Win Mag.