18i Synthetic


The Weatherby 18i series of semi-automatic shotguns are designed for hunters and shooters that require performance in the toughest conditions.  All Weatherby 18i shotguns are built on a field proven inertia recoil system which provides reliable cycling and an evenly-weighted gun. Available in a 3″ chamber  that allows the 18i series to be more efficient at cycling lighter target and small game loads. Or upgrade to a supermag with 3.5” chamber for handling the largest magnum loads on the market


Stock – Synthetic
Receiver / Barrel / Top Rib – Matte finish


Cylinder, Improved Cylinder, Modified, Improved, Full
Choke Tube Guide


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SKU: ISYONX Category:



From the range to the marsh

18i’s are a single-piece receiver precision machined from billet aluminum for strength and simplicity. The advanced polymer stock is designed to be ergonomic and shim adjustable for a seamless fit to any shooter. The series features a soft touch area on the cheek rest and aggressive texture in the palm and foregrip, this is where comfortability meets rugged toughness. With a full ventilated rib and high luminous LPA fiber front sight, target acquisition is a breeze even in poor lighting conditions. The 18i series is set up for the CRIO® Plus choke system and comes standard with five choke tubes. From the range to the marsh the Weatherby 18i is a trusted tool for the serious outdoorsman.

Key Features:

  • Matte Finish with Synthetic Stock and Forearm
  • Elastomer stock for reduced felt recoil
  • Red ring safety release button for secure handling
  • Full length ventilated top rib
  • LPA fiber sights
  • 3″ or 3.5″ Chamber
  • 4+1 (2+1 with magazine limiting plug)
  • Chrome Line Bore

CRIO®. The trademark CRIO® is a registered trademark of Benelli Armi Spa


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18i Synthetic Videos

Additional information

Weight7.0000 oz

3", 3.5"


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