The Winchester XPR Extreme SR is a bolt-action rifle chambered in 300 Winchester Magnum. It has a 20-inch spiral-fluted barrel with a threaded muzzle, finished in Flat Dark Earth cerakote, and pairs with a composite stock in Mossy Oak Bottomland camouflage. The rifle is built around a detachable box magazine and a receiver that is drilled and tapped for scope mounting. 
 

Key Specifications 

• Brand: Winchester 
• Model: XPR Extreme SR 
• Caliber: 300 Winchester Magnum 
• Action: Bolt Action 
• Capacity: 3 
• Barrel Length: 20" 
• Finish: Flat Dark Earth Cerakote 
• Stock: Mossy Oak Bottomland Composite 
• Thread Pattern: 5/8"x24 
   

Detailed Features 

• Spiral-fluted, threaded barrel (5/8"x24) ready for a muzzle brake or suppressor 
• M.O.A. Trigger System for a crisp, consistent pull 
• Nickel Teflon-coated bolt with a bolt unlock button for smooth cycling 
• Detachable 3-round box magazine for quick reloads 
• Drilled and tapped receiver for scope mounting, with sling swivel studs on the stock for a sling attachment

The XPR line has a reputation among hunters as a value-focused bolt gun that shoots better than its price suggests. Owners of the Extreme SR variant point to the M.O.A. Trigger System as a real upgrade over older factory triggers, giving a lighter, more consistent pull out of the box.

In the field, the threaded, spiral-fluted barrel and the Mossy Oak Bottomland stock draw praise for blending into wooded terrain, and the Flat Dark Earth cerakote holds up well against scratches and weather compared to a painted finish. Some owners mention the composite stock flexes more than a premium stock would under a magnum-class cartridge, a common tradeoff at this price tier.

Feeding from the detachable box magazine is generally smooth, though a handful of owners note it takes a firm push to seat fully. Most reviews treat the XPR Extreme SR as a practical magnum hunting rifle rather than a precision target gun, and buyers tend to purchase it with that expectation.