A&G Magazine Spacer GLOCK 19/23 to 26/27 Black.
Lets you use a Glock 19 magazine comfortably in a GLOCK 26 or a GLOCK 23 magazine in a GLOCK 27.
Slip-on collar, fills the space between a compact frame and bottom of a full-sized magazine to make a comfortable, hand-filling grip. Contoured to match the frame for improved trigger and recoil control. Ideal when using full-size magazines as backup.