The Ruger American Rimfire in .17 HMR is a bolt-action rifle chambered for the flat-shooting Hornady Magnum Rimfire cartridge. It ships with a 9-round rotary magazine and the Marksman adjustable trigger, which can be set between 3 and 5 pounds of pull. 
 

Key Specifications 

• Brand: Ruger 
• Model: American Rimfire 
• Caliber: .17 HMR 
• Action Type: Bolt Action 
• Capacity: 9 rounds 
• Barrel Length: 18 inches 
• Overall Length: 37 inches 
• Weight: 5.5 lbs 
• Finish Color: Black 
   

Detailed Features 

 
The Marksman adjustable trigger is one of the more useful features here. Being able to dial the pull weight between 3 and 5 lbs without gunsmithing is practical for different shooting situations. 
 
The fiber optic front sight and adjustable rear sight work well for field use. The rifle also accepts a scope via the integrated Picatinny rail. The free-floating hammer-forged barrel has a threaded muzzle for suppressor or brake attachment. 
 
Two interchangeable stock modules let you adjust comb height depending on whether you're running iron sights or a scope. The magazine release mimics the Ruger 10/22 design, so reloads are quick and familiar. The black synthetic stock includes sling swivel studs. 
 

Usage Scenarios 

• Small Game Hunting: The .17 HMR's flat trajectory and terminal performance work well for squirrels and rabbits at 100+ yards. 
• Varmint Control: Good for prairie dogs and similar pests where reach matters. 
• Target Practice: The adjustable trigger and accuracy potential make it a capable range rifle.

Owners of the Ruger American Rimfire .17 HMR generally find the accuracy to be a standout. The .17 HMR's flat trajectory combined with the rifle's bolt-action precision draws consistent positive comments for small game and longer-range plinking.

Build quality and Ruger's reputation for reliability come up frequently. Most owners report that the rifle cycles cleanly across common .17 HMR loads. The adjustable trigger gets praise for the flexibility it offers without needing aftermarket work.

Critical notes center on trigger pull weight (some find it heavier than they'd like even after adjustment), occasional magazine feeding concerns with certain ammo, and weight balance that a few shooters find slightly awkward. Finding specific aftermarket accessories is reportedly harder than for more popular rimfire platforms.