The Mossberg Silver Reserve Field is a 20-gauge over/under shotgun with a 26-inch vented rib barrel and a break-open action. The satin black walnut stock pairs with a matte blued barrel. Comes with five choke tubes (field set). Tang-mounted safety. At 7 lbs and 42.25 inches overall, it handles well for upland bird hunting and clay target shooting. 
 

Key Specifications 

• Model: Silver Reserve Field 
• Type: Over/Under Shotgun 
• Caliber/Gauge: 20 Gauge 
• Action: Break Open 
• Capacity: 2 Rounds 
• Barrel Length: 26 inches 
• Overall Length: 42.25 inches 
• Weight: 7 lbs. 
• Finish: Satin Black Walnut stock / Matte Blue Barrel 
   

Features 

• 26" vented rib barrel 
• Five choke tubes (field set included) 
• Satin black walnut fixed stock 
• Tang-mounted safety

The Mossberg Silver Reserve Field 20-gauge gets a generally positive reception as an entry-level over/under, with a few recurring issues worth knowing.

The price point is the main draw -- most buyers see it as solid value for a first O/U, and the 20-gauge's manageable recoil makes it approachable for a wide range of shooters. Performance in the field and at the clay range is frequently described as reliable and accurate. The walnut stock looks good at this price, and the five included chokes add versatility.

Build quality is where the nuance lives. Most buyers find the fit and finish acceptable, but a subset of reviewers note that the wood or metalwork doesn't match expectations for a higher-end O/U. Weight becomes noticeable on longer outings. Quality control isn't perfectly consistent, which some buyers mention in the context of comparing it against more expensive options. Customer service experiences run the gamut. Overall it's a reasonable choice for someone getting into O/U shooting without a large budget.