Shop › SHIELD MAG EXT +5/4 FOR GLK17/22 GLD SHIELD MAG EXT +5/4 FOR GLK17/22 GLD $35.99 Shield Arms +5/+4 Magazine Extension, Aluminum, Anodized Finish, Gold, Fits Glock 17/22 G17-ME-5-GLD Quantity: Add To Cart Added! Shield Arms +5/+4 Magazine Extension, Aluminum, Anodized Finish, Gold, Fits Glock 17/22 G17-ME-5-GLD