The Mesa Tactical Urbino Pistol Grip Stock will not fit a Beretta A300 Ultima.
The Mesa Tactical Urbino Pistol Grip Stock is not compatible with the Beretta A300 Outlander.
Yes, the Mesa Tactical Urbino Pistol Grip Stock is compatible with the Benelli M2. You can filter by gun model in the drop-down menu for Benelli M2. Email us at Techsales@opticsplanet.com if you have any further questions.
The Mesa Tactical Urbino Pistol Grip Stock will not fit an H&R Pardner Pump 20 gauge.
There is currently not an Mesa Tactical Urbino Pistol Grip Stock for the Mossberg 590. However, the stock and forend at the link below will work for a Mossberg 590.
https://www.opticsplanet.com/magpul-mossberg-500-590-sga-stock-m-lok-forent-set.html?_iv_gun-model=mossberg-model-590
The Mesa Tactical Urbino Pistol Grip Stocks will not fit the EAA Girsan MC312.
The Phoenix Technology KickLite Tactical Stock at the link below will work for a Mossberg 500 20 gauge. You will need model number KLT006.
https://www.opticsplanet.com/phoenix-technology-kicklite-tactical-stock-remington-870-20-ga-black.html?_iv_gun-model=mossberg-model-500-20-gauge&_iv_code=PHX-SSC-KCKLITE-KLT006
The Mesa Tactical Urbino Pistol Grip Stocks models 91540, 90070, and 90080 will all fit a Remington 11-87. In order to mount a red dot to a Remington 11-87 I recommend using the Aimtech Black Mount at the link below.
https://www.opticsplanet.com/aimtech-black-mount-for-remington-1100-11-87-12-gauge-asm1.html
Yes, the Mesa Tactical Urbino Pistol Grip Stock will work for a Mossberg 930. You will need to select Mossberg 930 as the gun model on the selection toolbar on the product page.
The Mesa Tactical Urbino Pistol Grip Stock will not work on a Tristar Cobra III. I recommend contacting Tristar to see what aftermarket stocks are compatible with that shotgun.