This is a Trijicon Mount known as the SRO, model AC32085.
This kit includes the proper screws needed to mount an SRO on the Glock(R) MOS slide and the Springfield(R) OSP pistol.
Features:
Fits G17 Gen4 MOS G19 Gen4MOSÂ G34 Gen4 MOS G35 Gen4 MOS G40 Gen4 MOS G41 Gen4 MOS and Springfield OSP.
