Smith & Wesson J-Frame revolver is designed to fire a full power round and is simple and easy to use as it is reliable. The Model 637 is a variation of the Model 37 Chiefs Special Airweight which integrates the time-tested features of the original with modern advancements. It is ultra-light and is a favorite back-up and concealed carry firearm. This model has an aluminum alloy frame with a matte sliver finish, stainless steel barrel and cylinder, integral front and fixed rear sights, and an external hammer. It also has black Crimson Trace Lasergrip.
| Stock | Crimson Trace Laser Wraparound |
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| Finish | Glass Beaded Stainless Finish |
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| Sights | Front: Integral Rear: Fixed U-Notch |
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| Capacity | 5 |
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| Model Series | 637|Chiefs Special |
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| Barrel Length | 1.875 |
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| Overall Length | 6.3125 |
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Determined at checkout.
