The Weatherby 18i is a 20-gauge semi-automatic shotgun with an inertia-driven piston action and a nickel finish over an engraved receiver. At 6 lbs with a 28-inch barrel, it handles small game and sport shooting well without being cumbersome. 
 

Key Specifications 

• UPC: 747115452651 
• Action: Inertia-driven piston 
• Barrel Length: 28 inches 
• Capacity: 4 rounds 
• Finish: Nickel 
• Gauge: 20 GA 
• Receiver Finish: Engraved 
• Weight: 6 lbs. 
   

Features 

The inertia-driven piston cycles reliably and keeps felt recoil on the lighter side, which matters on a 20-gauge where extended range sessions are common. The 28-inch barrel gives good swing through for moving targets. Nickel finish adds corrosion resistance alongside the visual appeal, and the engraved receiver makes this one a collector piece as well as a shooter. 
 

Usage 

The 18i works well for bird hunting -- grouse, quail, pheasant -- where the lighter 20-gauge payload is appropriate and the reduced weight is appreciated over a long day in the field. It also holds its own at clay shooting events. Four-round capacity is typical for a semi-auto shotgun in this class.

Owners of the Weatherby 18i Engraved Nickel 20GA generally respond well to it, with the engraving and nickel finish drawing the most consistent praise. Many describe it as one of the better-looking shotguns in the price range, and it gets cited as a dual-purpose gun -- functional field shotgun that also has display value.

On performance, the inertia action gets credit for smooth cycling and low maintenance. The lightweight 20-gauge frame is a recurring plus for hunters covering a lot of ground. Most owners report reliable operation across a range of loads.

The main friction point is price. Some feel the premium over comparable semi-autos is hard to justify unless the aesthetics are important to you. Availability and customer service come up occasionally as secondary concerns. Overall the sentiment is positive, weighted heavily toward those who value the craftsmanship alongside the function.