Description
There is something about a nickel receiver over walnut that never goes out of style, and the Weatherby 18i Deluxe GR2 leans into that look without skimping on the working parts underneath. This 20 gauge is built in Italy by Marocchi on an inertia-driven action, the same style of system that has earned a reputation for staying clean and cycling reliably through long days in the field. Because an inertia gun does not vent gas back into the action, carbon buildup is minimal, so you spend more time hunting and less time scrubbing.
What Sets the 18i Deluxe GR2 Apart
The single-piece receiver is machined from billet aluminum, then dressed up with custom laser engraving and a bright nickel finish. The grade 2 matte walnut stock and forend carry sharp checkering at the grip and forearm for a sure hold when the weather turns. Up top, a full-length ventilated rib leads to an LPA fiber optic front sight that gathers light nicely at first legal light or in shaded timber. The crossbolt safety sits right behind the trigger with a red ring indicator, so a quick glance tells you the gun is ready.
A 20 Gauge Built for Real Field Work
With a 28-inch vent rib barrel and a 3-inch chamber, this setup handles everything from light dove loads to stout waterfowl shells. Capacity is 4+1, and a magazine limiting plug drops it to 2+1 for migratory bird work. At right around six pounds with a 14.75-inch length of pull, it carries easily on long walks and swings smoothly on crossing birds, which is exactly what you want from an upland-ready autoloader.
Chokes and Extras in the Box
Weatherby ships the 18i with five choke tubes, running from improved cylinder through full, along with a wrench and a storage case, so you can pattern it for pheasants, doves, or decoying ducks without buying anything extra. If you have been wanting a classy 20 gauge semi auto that can take a beating and still turn heads at the club, this one deserves a hard look.
Key Specifications
- Manufacturer Part Number: ID22028MAG
- UPC: 747115436637
- Gauge: 20 Gauge
- Chamber: 3 inch
- Action: Semi-Auto, Inertia Operated
- Barrel Length: 28 inch, Vent Rib
- Capacity: 4+1 (2+1 with limiting plug)
- Chokes Included: IC, IM, M, I, F
- Receiver: Engraved Billet Aluminum, Nickel Finish
- Stock: Grade 2 Matte Walnut, Fixed
- Sights: LPA Fiber Optic Front
- Safety: Crossbolt with Red Ring Indicator
- Length of Pull: 14.75 inch
- Overall Length: 47.5 inch
- Weight: Approx. 6 lbs
- Country of Origin: Italy
What’s Included
- Weatherby 18i Deluxe GR2 20ga shotgun
- Five choke tubes (IC, IM, M, I, F)
- Choke tube wrench
- Choke tube storage case
- Magazine limiting plug
- Owner's manual
Frequently Asked Questions
What choke tubes does the Weatherby 18i Deluxe GR2 use?
The 18i series uses the Crio Plus choke pattern, and this gun ships with five tubes: improved cylinder, improved modified, modified, improved, and full. A wrench and storage case are included, so you can swap chokes for doves, upland birds, or ducks over decoys without any extra purchases.
Is the inertia action on the 18i Deluxe reliable with lighter 20 gauge loads?
Yes, owners consistently report smooth cycling even with lighter field loads. Inertia systems also run cleaner than gas guns since they do not push carbon back into the action, which means longer stretches between deep cleanings and dependable performance in cold or wet conditions.
Who makes the Weatherby 18i and where is it built?
The 18i is manufactured in Italy for Weatherby by Marocchi, a gunmaker with roots going back to 1922. That Italian build quality shows up in the fit, finish, and the laser-engraved nickel receiver on this Deluxe GR2 model.
Is this 20 gauge a good choice for upland hunting?
It is a natural fit. At roughly six pounds with a 28-inch barrel and full-length vent rib, it carries light on long walks and swings smoothly on flushing birds. The 3-inch chamber also gives you the flexibility to step up to heavier loads for late-season pheasants or waterfowl.




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