Spare Magazine Carrier For MX-1 (For 4 Hole Stock Stabilizer)

The META Rear Spare Magazine Carrier (RSMC) is the best spare mag holder for the Glock 43X. Designed for the MX-1 Long Stock Assembly, it uses a precision friction-fit system with 8 included shims to deliver a perfect, wobble-free fit on Glock 43X magazines. Installation takes less than two minutes with the included hardware and requires no permanent modifications. Built from lightweight, ultra-durable Mil-Spec fiber-reinforced polymer, the RSMC keeps your backup magazine secure and instantly accessible without adding bulk to your setup. The ideal solution for Glock 43X owners who want fast, reliable access to a spare magazine.