NEW Shield Arms Mag for the Glock 43 - TheFirearmGuy
This video introduces and tests the Shield Arms Z9 magazine for the Glock 43, offering a capacity increase from 6+1 to 9+1 rounds. The reviewer demonstrates the magazine's installation, fit, and performs a manual cycling test to assess reliability. The Z9 magazine is noted to be slightly longer, providing three-finger grip contact and featuring polymer exterior with a metal interior.













