The Derya Arms TM22 Feather is a semi-automatic .22 LR rifle with an 18-inch threaded barrel and a 10-round magazine. It has an A2-style front sight and a black finish. The Feather variant is a lighter configuration within the TM22 line. 
 

Key Specifications 

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

Detailed Features 

• 18-inch threaded barrel 
• A2 front sight 
• 10-round magazine 
• Black finish 
• Semi-automatic operation in .22 LR

Owners pick the TM22 Feather over the Flash or Standard when they want a lighter carry weight. The A2 front sight is straightforward and familiar to anyone with AR-platform experience, though it does mean the sight picture is fixed rather than adjustable.

The threaded barrel is a practical touch that owners appreciate for running a suppressor or muzzle device. Reliability with standard velocity .22 LR is generally reported as good, with occasional hiccups on high-velocity or hollow-point loads noted by a smaller number of users.

The TM22 Feather sits in a budget tier where expectations have to match price. Most owners find it a capable plinker and light training rifle. Those who want a more refined trigger or tighter tolerances tend to step up to pricier platforms after their first season with it.