The Mossberg 500 Field/Deer Combo is a 12-gauge pump-action shotgun that ships with two interchangeable barrels: a 28-inch vent rib for field and upland use, and a 24-inch fully rifled barrel for deer hunting with slugs. The dual-barrel setup means one shotgun covers both applications without buying separate guns. 
 

Key Specifications 

• Model: 500 Field/Deer Combo 
• UPC: 015813582445 
• Gauge: 12 GA 
• Chamber Size: 3" 
• Action Type: Pump Action 
• Capacity: 5+1 rounds 
• Barrel Lengths: 28" (Vent Rib) & 24" (Fully Rifled) 
• Overall Lengths: 48.5" (Rifled), 44.5" (VR) 
• Weight: Approximately 7.5 lbs (28" barrel), 7.3 lbs (24" barrel) 
• Stock Material: Synthetic Dual Comb 
• Sights Configuration: Front Bead, Rear Dead Ringer 2.5x20 
   

Detailed Features 

 
The pump action is the standard 500 mechanism. It cycles reliably across a wide range of load types and has a long field record. The synthetic dual comb stock has two comb height options to match either barrel configuration, which matters because slug optic cheek weld and open-bead field cheek weld are different. The Accu-set choke system on the vent rib barrel lets the shooter adjust shot patterns for different game. The top tang safety is ambidextrous. The rear Dead Ringer 2.5x20 sight and front bead support accuracy with slugs through the rifled barrel. 
 

Usage Scenarios 

 
Bird and upland hunting through the 28-inch vent rib, deer hunting through the 24-inch rifled barrel. That covers the two main seasons most hunters see in sequence. Barrel swaps take a few minutes and no tools. The 7.3-7.5 lb weight range is field-reasonable for a 12-gauge.

The dual-barrel format is consistently the most praised aspect of this shotgun. Buyers who hunt both upland birds and deer find real value in having both barrels in one package at a price lower than buying two separate shotguns.

Mossberg 500 reliability is well established and owners of this configuration report the same clean cycling they'd expect from any 500. The ambidextrous safety and straightforward pump operation get positive marks from newer hunters.

Weight during extended carry draws occasional complaints, and some buyers mention that 12-gauge recoil is noticeable enough to warrant an aftermarket recoil pad for longer sessions. Aftermarket accessory availability is strong (rails, stocks, magazine extensions), which dedicated owners appreciate.

Aesthetics are functional rather than polished, which some buyers care about and others don't. Overall the sentiment is positive, with the dual-barrel value proposition being the main driver.