No problem at all. The shot is nowhere near expanding by that point. I like the look of the extension being longer than the barrel. I seems like I remember seeing a lot of 3 gun shotguns set-up this way???
Eph6:12 For our struggle is not against flesh and blood, but against the rulers, against the authorities, against the powers of this dark world and against the spiritual forces of evil in the heavenly realms.13Therefore put on the full armor of God