Had it on my Canik but never fired a round with it on. Ended up replacing with the Gideon Omega.

ACTIVATION: User controlled and INSTANT-ON®
Dimensions: 1.93" x 1.16" x 1.2"
MOUNT: RMR standard footprint
BATTERY LIFE: 30,000+ hours (middle settings)
BATTERY TYPE: CR2032
OBJECTIVE LENS: 22x26 mm
TOOLS: Included in packaging
MATERIALS: 6061-T6 aluminum alloy
OP TEMP: -4 °F to 130 °F
WATERPROOF: IPX6
WEIGHT: 1.0 oz
WARRANTY: Lifetime Limited
DOT SIZE: 3 MOA
DOT COLOR: Green
AUTO OFF: 2 minutes