Weatherby 18I 12ga 28in 3in Chamber 4rd Semi-Auto

About this product

The Weatherby 18I Synthetic is a semi-automatic 12 gauge shotgun engineered for dependable field use. It pairs a synthetic black stock and matte finish with a field-proven inertia recoil system to provide reliable cycling in varied conditions. The 3-inch chamber improves cycling of lighter target and small-game loads. A 28-inch barrel and ventilated top rib balance handling and shot presentation for hunting and target applications.

Key Specifications

• The model is the Weatherby 18I Synthetic shotgun.
• The action is semi-automatic using a field-proven inertia recoil system.
• The gauge is 12 ga.
• The chamber accepts 3-inch shells.
• The magazine holds 4 rounds (limited to 2 rounds with a magazine limiting plug).
• The barrel measures 28 inches and includes a full-length ventilated top rib.
• The stock and forearm are synthetic black with an elastomer section for reduced felt recoil.
• The finish is a matte finish with a chrome-lined bore.
• Optics and sighting include LPA fiber sights.
• Listed weight is 9.4 (as provided).

Rugged and straightforward, the Weatherby 18I Synthetic combines practical features—such as reduced-recoil elastomer bedding, a ventilated rib, and a chrome-lined bore—into a versatile semi-automatic platform. Its durable synthetic furniture and reliable inertia system make it a practical choice for hunters and shooters who value dependable function and low-maintenance performance in the field or on the range.

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