Manufactured in the U.S., this convenient magazine safe is compact and provides quick and easy access to your magazines. The magazine safe is also easy to mount in any law enforcement or personal vehicle (mounting hardware not included). It provides safe and secure storage for up to three of your 30 round magazines, while still allowing easy placement and removal. Also will accept 5, 10, and 20 round magazines in lower retention arms. The AR-15 Mag Rack is compatible with 25rd 6.5 Grendel & 6.8 SPC, 30rd .223, and 30rd 7.62 x 39 magazines. It can also fit any of our 30rd magazines blocked down to 10 bullets.