About Us

Welcome to Mommsen Sport!

Mommsen Sport was founded by life-long outdoorsman and hunting enthusiast, Larry Mommsen. His daughter, Brianna Mommsen, has since joined him in running the shop. 


Mommsen Sport deals in nearly every brand of sporting and tactical firearm. With more than 100 firearms in stock and a constant flow of new and used firearms coming in daily, Mommsen Sport is sure to have exactly what you are looking for to make your next hunt or sport shoot successful. If they don't have it they can probably get it.


Coupled with top-notch, professional service, high quality products, and fair prices, Mommsen Sport is your one stop shop for your next firearm purchase! 


Mommsen Sport is a Federal Firearms License and Special Tax Stamp Class 3 Dealer

We Buy, Sell, & Trade New and Used Firearms


We also transfer firearms for a small fee. Contact us for details.


Our Class 3 SOT allows us to sell and transfer silencers and other NFA restricted items such as short barreled rifles and shotguns and fully automatic firearms.

Products and Services

 Mommsen Sport offers a wide variety of brand name optics, ammunition, cleaning supplies, holsters, cases, accessories, and targets. The shop also has the areas best selection in reloading supplies! 


Rifle barrel threading, bore sighting, custom recoil pad replacements, accessory installation and some firearm alterations are just a few of the services you can look for at Mommsen Sport. 


We also do custom Hydrographic dipping! 

Contact Us

Better yet, come see us in person!

Feel free to call us for a price quote!

We will not give appraisals of used guns over the phone. 

Mommsen Sport

645 County Hwy SS, Chetek, WI, USA

715-924-4570

Hours