The Derya Arms TM22 Flash is a semi-automatic rimfire rifle chambered in .22 LR with an 18-inch threaded barrel and a 10-round magazine. It has an M-LOK handguard, flip-up sights, and Picatinny rail compatibility. The overall configuration is a full-size, black-finish platform suited for range use. 
 

Key Specifications 

• Brand: Derya Arms 
• Model: TM22 Flash 
• Caliber: .22 LR 
• Action: Semi-Automatic 
• Capacity: 10+1 
• Barrel Length: 18 inches (threaded) 
• Color/Finish: Black 
   

Detailed Features 

• 18-inch threaded barrel for muzzle device attachment 
• M-LOK handguard for accessory mounting 
• Picatinny top rail for optics 
• Flip-up iron sights included 
• 10-round magazine capacity

Owners of the TM22 Flash tend to appreciate how much rifle they get for the price point. The threaded barrel and M-LOK handguard make it easy to customize without spending much, and most find the 18-inch barrel reliable for plinking and small-game use with standard .22 LR.

Ergonomics get positive marks from shooters used to AR-style layouts, though some note the trigger is serviceable but not particularly crisp. The flip-up sights work as backup irons but opinions differ on their long-term durability.

Value is the recurring theme in owner feedback on the TM22 Flash. A few report minor feeding quirks with certain budget ammunition, but those who stick to quality .22 LR rounds find it runs well. Derya's customer support gets mixed reviews outside of established importers.