Two semi-automatic handguns placed on an exploded diagram of a firearm, with a circular sticker labeled "420 Guns & Ammo" in the center.
Display of four rifles mounted on a white slat wall, with various accessories and ammunition boxes on a red surface below.
620 Guns Shop in Oswego Kansas
Display of firearms and ammunition in a gun shop with rifles mounted on a wooden wall and handguns in a glass case.

At 620 Guns & Ammo we believe in the value of strong family traditions and the right to responsibly own and use firearms.

We are a family owned business located in Oswego, a small town in South Eastern Kansas. Our shop takes pride in offering personalized service and treats each customer like a member of our own family. Whether you are a seasoned hunter, a sports shooting enthusiast, a first time gun buyer or looking for self-defense, our knowledgeable staff will listen to your needs to give you the information to guide you to the right firearm and equipment.

620 Guns & Ammo is more than just a place to shop it's a place where you can learn, grow and connect with others who share a passion for firearms and outdoor activities. We offer everything from firearms, ammunition, firearm training, in-depth guidance on maintenance and care to outdoor gear - all from trusted top brands.

We look forward to serving you.


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Collection of six baseball caps with various colors and designs, each featuring a patch that reads '620 GUNS & AMMO' and a barcode in a glass display case, with a black handgun and other small items inside.