The Derya TM22 Standard is a semi-automatic .22 LR rifle with an 18-inch rifled barrel and a 10-round detachable magazine. It pairs a black anodized receiver with a Flat Dark Earth polymer stock and handguard for a two-tone look. The adjustable stock and integrated top rail make it easy to set up for range use or optics. 
 

Key Specifications 

• Brand: Derya 
• Model: TM22 Standard 
• Caliber: .22 LR 
• Action: Semi Auto 
• Capacity: 10+1 
• Barrel Length: 18 inches 
• Overall Length: 34 inches 
• Weight: 4.85 lbs 
• Finish: Black Anodized 
• Trigger Pull: 2.5 lbs 
   

Detailed Features 

• Adjustable stock with basepads lets shooters set the length of pull to fit. 
• Integrated top rail plus a patent-pending front rail accept optics and accessories. 
• Push-button safety and a rear sight rail with a removable, ramped front sight. 
• Rifled target barrel with a 1:16-inch twist and 6 grooves for consistent .22 LR accuracy. 
• Steel barrel is paired with a polymer stock and handguard to keep the rifle light.

The TM22 Standard competes in a crowded field of budget .22 LR autoloaders, and owners generally describe it as reliable once fed a magazine or two of quality ammunition, with the occasional failure to feed tied to cheaper bulk rounds rather than the rifle itself. The Flat Dark Earth and black anodized combination draws consistent compliments for looking more upscale than the price suggests.

Handling-wise, the adjustable stock is a point in its favor for shooters who want to fit the rifle to different users, whether that's a smaller-framed shooter or someone training a new shooter on rimfire. The integrated top rail and front rail make mounting an optic simple, and the light overall weight keeps range sessions comfortable.

Value is where the TM22 Standard gets the most credit, since shooters comparing it to established .22 LR autoloader lines see it as an affordable way into an adjustable, optics-ready rimfire rifle. Magazine and aftermarket accessory availability trails the more established rimfire platforms, which some owners mention as a limitation.