neither please check out the weatherby orion grade 1 budsgunshop.com/catalog/product_info.php/products_id/99133/weatherby+orion+1+12ga+28in+mc3 If you are looking for the style and performance found in a top of the line double barrel shotgun at a price you can afford then take a look at the Weatherby Orion 1 Over Under Double Barrel Shotgun! This is a working mans double barrel not a safe queen or a wall hanger. This shotgun is ready to head to the field on an upland game hunt or hit the skeet fields to win your bragging rights! It features 3" chambers and chrome lined bores on a low profile receiver with a traditional box lock break action. Three choke tubes in Improved Cylinder, Modified, and Full are included. If you need a double barrel shotgun that is hardworking in the field and reliable on a round of sporting clays then you need the Weatherby Orion 1! Specifications and features:
Weatherby Orion I OR11228RGG
Over/Under Break Action Shotgun
12 gauge
3" Chambers
28" Barrels
Matte Ventilated Top Rib
Brass Bead Front Sight
Chrome Lined Bores
Traditional Box Lock Action
Low Profile Receiver
Automatic Ejectors
Ambidextrous Top Tang Safety
Rich Grade 'A' Walnut Stock
Blued Metal Finish
Length of Pull 14.625"
Drop at Comb 1.625"
Drop at Heel 2.375"
Overall Length 45.75"
Weight 7 Pounds
Includes:
3 choke tubes included
Improve Cylinder, Modified, Full Chokes

Bruce, they are close enough in quality, fit and function that it will basically boil down to personal preference. Given that tidbit of information, if I had to choose between the two, it would be the Mossy as I own several Mossbergs and they are second to none and not a one has failed in any way shape or form for more than 2 decades.