Rear Slide Cover Plate, Slide Butt Plate for Glock Gen 1 2 3 4, Fits All Models Glock 17 19 20 21 23 25 26 27 29 30 31 32 33 34 35 36 9mm 10mm .357 .40 .45, Except G42 or G43 by BASTION - POLICE OFFICER
Bastion slide back plates are made of T6 aluminum, hard coat anodized. Great replacement for a plastic factory part. All designs are laser engraved. You will love the quality of BASTION products.