The Unorthodox Designs SLAP Loader for Sig Sauer® P320 9mm Magazines is the latest addition to the SLAP Loader line featuring a durable polymer housing and a spring-loaded design for fast, user-friendly reloads with both high-capacity and standard-capacity metal P320 mags (NOT compatible with polymer P320 magazines). Designed to load one round of 9mm ammunition into your favorite P320 magazine at a time, this loader features a round-stripping notch on the side of the housing to unload your magazines one round at a time. Simply insert the magazine (not included) into the top of the loader, feed one round (projectile first) into the loader, and push down on the magazine until the loader sleeve is fully compressed. Then, repeat those steps until your mag is fully loaded. That's it! Protect your thumbs from pesky scratches and scrapes, and enjoy lightning-fast reloads at a price anyone can afford. Order your SLAP loader today!