I just bought several boxes of the 11/2 inch Aguilla 12ga shells. They definitely give off less recoil and noise than regular shotshells and would probably be fairly comfortable to use in your pistol grip gun. I tried them in my Mossberg 500 and they wouldnt cycle properly. If I held the gun almost upside down and racked it gently I could get the shells to cycle somewhat, but if your intended use for them requires a fast follow up shot, forget it.
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