SBS, AOW, hand cannons & hand mortars Miller held that it was not within judicial notice that a short barrelled shotgun had a reasonable relationship to a militia arm, basically. Use of the short barrelled blunder-buss goes back to before Jamestown. It continued through the colonial period. I would point out that Remington, Benelli & Mossberg all produce 'ready for sale' to LE and Military versions of their shotguns which are suited to CQB. NFA guys, this is important.