The addition of the plus 10 magazine extension for the Ruger 57 takes your carrying capacity from the standard 20 to an unbelievable 30.
The magazine extension comes with everything you need to take your factory magazines and super size them.
No where else can you find a product like this that will give you the performance you demand. Available in hardcoat Black anodize finish as well as FDE, OD Green, and Sig Grey Cerakote. F5 MFG has done it’s homework to make a magazine extension that gives you the outrages ammo count you’ve always wanted, but makes your Ruger look better than ever