Shotgun Combos

[Fwibos]

So the Horse Archer thread made me think about putting together a comcept dear to me, A Shotgun weilding Tough.

Of course he has Double Reload and Quick Reload Breech loader to reload his Whippet Room Broom quickly.

My question is: Is ti possible to build a combo that does the following:

Both Barrels/Quick Double Reload/Both Barrels again.

It certainly seems cinematic, could it be realisitc (this doesn't matter for this character - but I am curious)

Would you make it a 3 part combo, limiting it's effectiveness without Gunslinger?

Would you use Fast Firing, or Quick Shot, or Both (a la Multiple techniques), to represent the pure speed needed?

I am thinking I would add, regardless of other penalties, that you could not AIM and you can't target multiple people. Speed and Putting Lead Down range trump accuracy.

Also, if you make it a combo, how do you determine failure. A failure with a gun is generally just a miss - it wouldn't prevent you from reloading and fireing again. Heck, I doubt, without ETS or ATR, that you would NOTICE!

And is this comparably balanced to Extra Attack (Guns (Shotgun), Multiple Attacks)?