Warne MEG1954DE Magazine Extension made of 6061-T6 Aluminum with Hardcoat Anodized Flat Dark Earth Finish for Glock 19, 23 Magazines (Adds 5rds 9mm Luger, 4rds 40 S&W) $44.99
Warne MEG432BLK Magazine Extension made of 6061-T6 Aluminum with Hardcoat Anodized Black Finish for Glock 43 Magazines (Adds 2rds) $34.99
Strike Industries EMPCTP9 Magazine Extension Kit +5rd Made of Black Polymer for Most Canik TP9 $19.95
Pearce Grip PG11 Grip Extension made of Polymer with Black Finish for Taurus PT111 & Kel-Tec P11 $6.99