Description Models actually work best with cartridge jiggle. Cartridges are inserted into bores primer ends down. Jiggle or hold cartridges toward center of loader. Turn knob to release. Bubble packed on card. Firearms, trailers, and some accessories are only available for purchase in stores. Each location follows all BATF and individual state/county/city laws to insure the desired product is legal for sale. Any info provided online is subject to change, please go to your local store for more accurate information.