This is a Bastion Slide Back Plate known as the Cross, model BASGL-043-BW-CRUCFX.
The slide plate for the Glock 43 is hard coat anodized and machined from T6 aluminum. The laser engraved artwork will not rub off. Compatible with Glock 43 9x19mm Model ONLY
Features:
Laser Engraved
T6 Aluminum
Hard Coat Anodized