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IA Ironclad Armory

Weatherby 18i Synthetic 12 ga 28 in 3.5 in RH

SKUKIN|1205416 Conditionnew CategorySemi Auto Shotguns
$991.99
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About this product

The Weatherby 18i is a semi-automatic shotgun built on an inertia system intended for shooters who require reliable cycling and straightforward operation. It features a single-piece receiver precision machined from billet aluminum and a durable polymer stock finished in black synthetic. Ergonomic touches include a soft-touch cheek area, aggressive texture on the palm and foregrip, and a high-luminosity LPA fiber front sight for improved acquisition in low light. The safety is located behind the trigger and uses a red ring for visible confirmation when in the ready position.

Key Specifications

  • The action uses an inertia system and is semi-automatic.
  • The caliber is 12 gauge.
  • The barrel measures 28 inches.
  • The chamber accommodates 3.5 inch shells.
  • The stock finish is black synthetic.
  • The receiver is precision machined from billet aluminum.
  • The front sight is a high-luminosity LPA fiber element.
  • The safety is positioned behind the trigger with a red ring for visible status indication.
  • The package includes five choke tubes and a true choke wrench stored in a plastic case.
  • The listed weight is 9.45.

Designed for dependable service in demanding conditions, the Weatherby 18i combines a durable, machined receiver and weather-resistant synthetic stock with features aimed at consistent field performance. Whether used for high-volume shooting or general field work, this model delivers practical controls, modular chokes, and sighting suited to varied light conditions.

Specs at a glance

Weatherby 18i Synthetic 12 … SPECS AT A GLANCE 28 inches SIZE
Editorial diagram — measurements verified during testing.

Key attributes

upc747115436668
manufacturerWeatherby
manufacturer part numberISY1228SMG
Sources & methodology. Editorial review and rating by Declan Vance based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication.
$991.99