There seems to be a bit of confusion to me. Are we talking about a stock with a pistol grip, like say a Speed-Feed, or did Nimitz mean just a pistol grip?
As far as a pistol-grip equipped shotgun being at a disadvatage in CQB, I beg to differ. ANy CQB technique and ready positions that has was developed for the CAR-15s and subguns can be translated to a pistol-gripped shotgun.
Right - all of which are inferior and slower than the technique used with a gun with NO pistol grip (such as a standard-stocked shotgun), IMO. And require more training as well.
I have used the shoulder stock with pistol grip type stock on my shotgun.It is comfortable and natural as if shooting an AR-15.The only negative is that you have to remove the stock everytime you want to take the trigger group out while cleaning.This isn't needed when utilizing a conventional stock.That minor inconvience aside,I'm a big fan of this type of stock.