The Winchester Xpert Shadow SR/S is a bolt-action rimfire rifle chambered in the 21 Sharp cartridge, built with a 16.5-inch threaded steel barrel and a magazine that feeds Ruger 10/22-pattern magazines for 10+1 capacity. It has a matte black steel receiver that is drilled and tapped for optics mounting, paired with a Picatinny rail forend. 
 

Key Specifications 

• Brand: Winchester Repeating Arms 
• Model: Xpert Shadow 
• Caliber: 21 Sharp 
• Action: Bolt Action 
• Capacity: 10+1 
• Barrel Length: 16.50" 
• Finish: Matte Black 
• Material: Steel 
• Overall Length: 34.75" 
• Length of Pull: 13.50" 
   

Detailed Features 

• Barrel is threaded 1/2"x28 for muzzle devices, with a factory thread protector configuration 
• Receiver is drilled and tapped and includes a Picatinny rail forend for mounting accessories 
• Ramped post front sight pairs with an adjustable rear sight 
• Magazine well accepts Ruger 10/22-pattern magazines 
• M.O.A. trigger system is fitted from the factory 
   
  Note: one vendor's marketing copy described a blued barrel and receiver with a composite stock, which conflicts with the offer titles and the spec-table source, both of which state a matte black finish. The blued/composite claim was omitted here in favor of the matte black description that matches the titles.

Owners of the Xpert Shadow line tend to like the value Winchester packs into a rimfire bolt gun, especially the threaded barrel and drilled-and-tapped receiver that let a shooter add an optic or muzzle device without extra gunsmithing. The common gripe is that fit and finish on a budget-friendly bolt gun does not match Winchester's centerfire rifles.

In the field, the Picatinny rail forend and adjustable rear sight get positive mentions for versatility, since the rifle can run with irons or a mounted optic. Some shooters find the factory trigger acceptable but not exceptional, and a portion of owners upgrade the trigger or add an aftermarket stock over time.

On value, using Ruger 10/22-pattern magazines is a real selling point, since spare mags and aftermarket parts for that pattern are widely available and inexpensive. Owners generally see the Xpert Shadow as a practical plinking and small-game rifle rather than a precision tool, and most are satisfied with that role.