Benjamin Franklin Model 137 .177 Air Pistol

Updated September 18, 2026

Benjamin Franklin Model 137 multi-pump pneumatic air pistol chambered in .177 caliber. Features an 8.5-inch rifled barrel, single-shot bolt-action receiver, ribbed wood pump forearm, walnut target-style grips with thumb rest, and adjustable rear sight. Includes a brown vinyl padded zippered soft case. Unmarked serial number visible on exterior inspection. Manufactured in the United States by Benjamin Air Rifle Company, St. Louis, Missouri. This model was produced from the mid-1940s through the late 1960s. Good used condition with handling wear, surface scuffs, light finish wear on high edges, and light tarnishing consistent with age and use. Soft case shows light exterior wear and storage marks. Mechanical operation and air compression have been tested. No sales to anyone under 21 years of age. All shipped firearms must be sent to a licensed FFL dealer. A $10 background check fee applies to firearms picked up locally. If you have any doubt, please attend the preview and examine all photographs closely before bidding. This estimated auction value was created using AI research of actual sold prices from online auction sites and marketplaces during the past 12 months. It is provided as a market reference only and is not a guarantee of the final selling price. Estimated Auction Value: $150 to $225 All items are sold as-is, where-is. Please review all photos for condition details and attend preview for in-person inspection.

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