The Magwell Fits Glock 17, 19, 22, 34, 35 - CY-MG-G02 is a black polymer Magwell designed specifically for GLOCK handguns in 9mm, .40, .45 caliber, and 357 Sig. It is adjustable and made by Cytac in China. This Magwell is a reliable and durable accessory that enhances the functionality of your handgun for improved performance during shooting sports and hunting activities.