The Ruger American Rimfire in .22 LR is a bolt-action rifle built around versatility. The OD Green synthetic stock pairs with a satin-blued receiver, and the modular stock design accommodates shooters of different sizes. 
 

Key Specifications 

• Barrel Length: 18 inches 
• Caliber: .22 LR 
• Capacity: 10+1 rounds (includes one magazine) 
• Weight: 5.3 lbs 
• Finish Color: OD Green Synthetic Stock with Satin Blued Receiver 
• Manufacturer: Ruger 
• Model Number: American Rimfire (Part Number: 8334) 
   

Detailed Features 

The interchangeable stock module adjusts length of pull and comb height — useful when adding optics. Swapping the module requires removing the rear sling swivel stud. The detachable rotary BX-1 magazine holds 10 rounds and is compatible with BX-25 aftermarket magazines. The grip has modern contouring and serrations that help during faster strings. The Marksman Adjustable Trigger can be set between 3 and 5 lbs of pull weight. Ruger's Power Bedding system free-floats the barrel and positively locates the receiver, which contributes to consistent accuracy. 
 

Target Audience 

A good fit for new shooters learning fundamentals, youth shooters who benefit from the adjustable stock, small-game hunters, and experienced rimfire shooters who want a capable bolt gun without the complexity of a precision chassis. 
 

Usage Scenarios 

Small game hunting — rabbits, squirrels, varmints — is where the .22 LR and 18-inch barrel shine. The adjustable trigger and bedding system also make it a reasonable choice for rimfire competition or casual precision practice. Low ammunition cost keeps range sessions practical.

Owners of the Ruger American Rimfire .22 LR with the 18-inch OD Green barrel consistently note accuracy as a strong point, particularly at mid-range distances. Build quality and the OD Green aesthetic get positive mentions. The adjustable stock and trigger are called out regularly as features that make the rifle adapt to individual shooters.

On the critical side, some owners report feeding or magazine reliability hiccups, though these appear to be isolated incidents rather than a widespread pattern. A few prefer more cheekpiece padding for optic use. Factory sights are functional but most owners add a scope, so sight criticism is limited. The request for more caliber options beyond .22 LR comes up occasionally but doesn't reflect a flaw in the rifle itself. Overall, it's regarded as good value for a bolt-action rimfire.