The Howa M1100 Walnut Hunter GamePro is a bolt-action .22 LR rimfire rifle with an 18-inch #4 contour barrel and a walnut stock. It comes as a package with a Nikko Stirling GamePro scope already included, and the barrel carries 1/2-28 threading for compatibility with common rimfire muzzle devices. The rifle feeds from a 10-round magazine and is built for small-game hunting and target work. 
 

Key Specifications 

• Brand: Howa 
• Model: M1100 Walnut Hunter GamePro 
• Caliber: .22 LR 
• Action: Bolt Action 
• Capacity: 10 rounds 
• Barrel Length: 18 in 
• Stock: Walnut 
   

Detailed Features 

• 18-inch #4 contour barrel balances weight and accuracy for rimfire shooting 
• 1/2-28 threaded muzzle accepts standard rimfire suppressors and muzzle devices 
• Walnut stock gives the rifle a traditional wood and blue look 
• Includes a Nikko Stirling GamePro scope mounted and ready for the field 
• 10-round magazine supports repeated shots without frequent reloading

Owners of the Howa M1100 generally praise the action's smoothness and the barrel's accuracy for a rimfire gun. Howa actions have a reputation for a tight, repeatable bolt cycle that many rimfire shooters compare favorably to pricier options.

The walnut stock draws mixed reaction: some like the classic feel and weight, others would prefer a synthetic stock for wet hunting conditions. The 1/2-28 threaded muzzle is popular with owners who want to add a suppressor without a trip to a gunsmith.

Because the rifle ships as a scoped package, buyers often mention the included optic as good value, though some swap the factory scope for something higher end over time. Aftermarket triggers and stocks for the M1100 platform are increasingly easy to find.