As stated on the description page for this, The UDP-9 Pistol features a 4.5 barrel and Maxim Defense CQB stabilizing brace. It is chambered in 9mm and fed with GLOCK magazines.

This takes Glock 17/19 magazines. Like item number GLK-9-170 just type the item number into buds search and it'll pop up. Or just search Glock 19 magazine and any of those will fit. Hope this helps.

As stated on the description page for this, The UDP-9 Pistol features a 4.5 barrel and Maxim Defense CQB stabilizing brace. It is chambered in 9mm and fed with GLOCK magazines.

Dave, this model uses Glock and Glock Style Magazines and Drums : budsgunshop.com/product_info.php/products_id/718007023/magazine+for+glock+34rd+9mm ---------------------------- budsgunshop.com/product_info.php/products_id/713087438/kci+usa+inc+magazine+for+glock+9mm

Dave, The UDP is a compact personal defense weapon chambered in 9mm and fed with GLOCK® magazines. Have a great day!