Shield Arms Premium Magwell, Fits Glock 43X/48, Aluminum, Anodized Finish, Black G43X48-MAGWELL-PRM-BLK Speed up your reloads with the Shield Arms magwell for the Glock 43X/48. Made from billet aluminum and type 2 hard coat anodized" Shield Arm's magwell will provide you with a durable platform to speed up your reloads and keep you on target.