The Winchester XPERT SR Combo is a bolt-action rimfire rifle chambered in .17 WSM, a cartridge that hits harder and shoots flatter than .22 LR at varmint distances. At 4.5 lbs. and 34.75" overall, it's one of the lighter bolt-action options in this category. 
 

Key Specifications 

• Manufacturer: Winchester 
• Family: XPERT Rifle Series 
• Model: XPERT SR Combo 
• Type: Rifle 
• Action: Bolt Action 
• Caliber/Gauge: 17 WSM 
• Barrel Length: 16.5" 
• Overall Length: 34.75" 
• Weight: 4.5 lbs. 
• Capacity: 8 + 1 (8 rd. Rotary Magazine) 
• Finish Type: Matte Blued 
• Stock/Grips: Black Polymer Synthetic Stock 
• Sights Type: Adjustable Sights (FS: Ramped Post/RS: Adj. Leaf) 
• Rate-of-Twist: 1-in-9" 
• Thread Pattern: 1/2x28 
• Special Feature: Threaded Barrel 
• Receiver Finish Color: Matte Black 
   

Detailed Features 

 
The trigger is user-adjustable for pull weight, which is a useful feature on a rifle where trigger quality directly affects accuracy. Iron sights are included (ramped post up front, adjustable leaf at the rear), so it's usable without a scope. The threaded barrel (1/2x28) takes standard suppressors, and the .17 WSM is genuinely worth suppressing given its sharp report. Magazine release is ambidextrous. 
 
The 16.5" barrel keeps overall length compact. The matte blued finish on the barrel and receiver won't win awards for corrosion resistance compared to Cerakote, but it's adequate for normal use with basic maintenance.

Owners of the XPERT SR in .17 WSM generally come in knowing what the cartridge does well (flat-shooting, fast, and hard on small varmints at distances where .22 LR would fall short), and the rifle delivers on that expectation. Bolt operation is smooth, and accuracy at 100 yards is frequently described as excellent for the price.

The adjustable trigger is appreciated; users dial it in early and report improved group consistency. The iron sights work well enough for field use, and the ambidextrous magazine release is a practical touch.

The two recurring criticisms are ammunition availability and weight perception. .17 WSM ammunition can be hard to find depending on region and timing, which limits how often some owners can shoot. On weight: at 4.5 lbs., a few users find it slightly light for steady offhand shooting but easy to carry, while others see the light weight as the whole point. The matte blued finish is considered basic but functional. Most users who want durability in rough conditions add a wipe of oil or look at a Cerakote option instead.