Manufactured in the U.S., this convenient magazine rack is compact and easy to mount in any storage area (mounting hardware not included). It provides safe and secure storage for up to six 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.