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About Us

Mommsen Sport was founded by life-long outdoorsman and hunting enthusiast, Larry Mommsen. His daughter, Brianna, 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! 


We are a Federal Firearms License and Special Tax Stamp Class 3 Dealer

We Buy, Sell, & Trade New and Used Firearms


We do transfers for a fee of $25 per firearm.
$10 additional fee for handgun transfers.


We can sell or transfer silencers and other restricted items such as short barreled and fully automatic firearms.
Transfer fee for these items is $75

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Products and Services

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


Some of teh services we provide are rifle barrel threading, bore sighting, custom recoil pad replacements, accessory installation and some firearm alterations.


We also do custom Hydrographic dipping! 

Contact Us

Send us an Email

Mommsen Sport

645 County Hwy SS, Chetek, WI, USA

715-924-4570

Hours

We will be Closed on Independence Day, Thanksgiving Day, Christmas Day, & New Years Day.