Mounting a 336 Burris Mount For A Fastfire To A Mossberg What Screws You Use

[Pin Wheel]

Need some help, when mounting a burris 336 marlin mount to the top of a receiver of a Mossberg shotgun  what screws do you use to apply the base to the receiver was going to mount a fastfire on top of the Mossberg with the 336 mount

[chrmayo]

I used the screws that came with the 336 base.

[Pin Wheel]

ok that is what I was thinking but the screws just looking a little bigger that came with it that what was in the holes on the Mossberg receiver