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![]() CSMC Winchester Model 21 Grade 5 28 Gauge Side-by-Side – As New Factory Condition | 28” Vent Rib | Exhibition Walnut | Game Scene Engraving Guns International #: 103595942 Seller's Inventory #: 70 Category: Winchester Shotguns - Model 21 - Shotguns - 28 Gauge Seller's Information When emailing or calling sellers direct, please mention that you saw their listing on GunsInternational.com Seller: Peterson Collective Ohio Member Since: 1/7/14 First Name: Albert Last Name: Peterson State: Ohio Zip: 45040 Country: United States Phone: (513) 309-3614 Phone2: (513) 446-4311 Platinum Seller Number of Active Listings: 25 Total Number of Listings: 40 Seller: FFL Dealer Return Policy: 3 day inspection and return policy on used guns. Payment Types Accepted: Check, Cash, Gold, Silver, Property, Trades welcome, items of interest About Us: Established in 2026, Peterson Collective LLC was founded on the longstanding reputation of Albert Peterson Guns in Cincinnati, Ohio. Built on years of trusted experience and industry knowledge, Peterson Collective specializes in high-end and collectible firearms, fine knives, hunting and shooting accessories, and sporting memorabilia, with a focus on quality, rarity, and craftsmanship. We proudly buy, sell, and trade collectible firearms, knives, luxury watches including Rolex and Audemars Piguet, as well as gold, silver, and other investment-grade collectibles, while providing a professional and discreet experience for collectors, sportsmen, and enthusiasts alike. Description: Price: $16,500.00 Offered here is an exceptional CSMC Winchester Model 21 Grade 5 side-by-side shotgun chambered in the highly desirable 28 gauge, presented in as-new factory condition and reported factory-fired only. This modern interpretation of the iconic Model 21 represents one of the finest American-built doubles available today, combining classic Winchester design with the extraordinary craftsmanship of Connecticut Shotgun Manufacturing Co. This elegant shotgun features 28 inch vent rib barrels with bright, as-new bores, chambered for 2 3/4 inch shells, and fitted with fixed Improved Cylinder and Modified chokes—an ideal and versatile upland configuration. The barrels exhibit beautifully executed jeweled flats and breech area, reflecting the attention to detail reserved for high-grade custom production. The receiver is a striking flat-side design, finished in deep polished blue and adorned with refined factory game scene engraving and flowing scrollwork, executed with exceptional clarity and artistry. The jeweled breech face adds a further level of bespoke refinement, underscoring the gun’s premium Grade 5 status. This Model 21 is fitted with a single selective gold trigger, combining elegant presentation with precise functionality. The stockwork is truly outstanding, featuring an exhibition-grade walnut English stock with finely cut checkering and a tasteful checkered butt treatment, complemented by a perfectly proportioned beavertail forend for enhanced control and handling. Meticulously balanced and exquisitely finished, this 28 gauge Model 21 delivers the legendary handling qualities for which the platform is renowned, while elevating it into a modern collector-class sporting arm. A rare opportunity to acquire a CSMC Winchester Model 21 Grade 5 28 gauge in virtually new condition, this shotgun represents the pinnacle of American bespoke double gun craftsmanship. Highly desirable, exquisitely executed, and truly investment-grade, it stands as a centerpiece-level addition to any advanced collection or discerning sporting battery. Shipping is $100 to a licensed FFL Lower 48. Payment accepted via credit card through GunsInternational checkout. Layaway option available. All credit cards not through Gunsinternational will have 3% charge. Please ensure compliance with all applicable federal, state, and local regulations prior to purchase. Additional photographs and details are available upon request. Price: $16,500.00 Shotgun Gauge: 28 Gauge Manufacturer: CSMC Model: 21-5 Serial Number: W38217 Barrel Length: 28 Chambers: 2.75 Ejectors: Automatic Condition: As New Triggers: Single Gold Selective Stock: Exhibition Deluxe Stock Comb: 1 3/8 Stock Heel: 2 Fore End: Beavertail Butt Pad: Checkered LOP: 14.5 Rib: Vent Finish: Factory Original Weight: 7.24lbs Chokes: Fixed Choke Left: IC Choke Right: Mod Engraving: Factory Grade 5 Case: None Item Location: Cincinnati, OH |