The Winchester SXR2 Stealth is a semi-automatic rifle chambered in .300 Win Mag with a 21-inch threaded barrel (14x1mm RH thread pattern) and 2-round detachable box magazine. Weight is 7 lbs. The furniture is green synthetic polymer, the receiver has a matte blue finish, and fiber optic fixed sights are included. The receiver has a Picatinny optics rail. Safety is two-position. 
 

Key Specifications 

• Model: SXR2 Stealth 
• Caliber: .300 Win Mag 
• Barrel Length: 21 inches 
• Capacity: 2 rounds 
• Weight: 7 lbs 
• Finish: Green polymer furniture / Matte blue receiver 
• Sights: Fiber Optic Fixed 
• Thread Pattern: 14x1mm RH 
• Safety: Two-Position 
• Rail: Picatinny optics rail 
   

Features 

The gas-operated semi-automatic action cycles the .300 Win Mag reliably and spreads recoil over a slightly longer impulse than a bolt gun, which some shooters find more comfortable with magnum cartridges. At 7 lbs, it's reasonably light for the caliber. 
 
The fiber optic fixed sights work as irons when not running an optic. The Picatinny rail accepts most scope mounts directly. The threaded barrel can accept a suppressor or muzzle device using the 14x1mm RH thread, which is worth noting if you plan to run a can since metric threading limits your adapter options compared to 5/8x24. 
 
The 2-round magazine capacity is the main tactical limitation. It's sufficient for hunting but restrictive for range work.

The Winchester SXR2 Stealth in .300 Win Mag draws interest from hunters who want a semi-auto magnum rifle, with a fairly balanced set of reviews.

The semi-auto action in a .300 Win Mag platform is the main selling point. The softer recoil impulse compared to a bolt gun is genuinely noticeable, and the smooth cycling gets positive marks. Build quality is generally described as solid, and the green furniture finish differentiates it visually from the typical black or camo options.

The weight gets called out as heavier than expected by some buyers, though 7 lbs is reasonable for a .300 Win Mag semi-auto. Recoil management is rated as acceptable by most, with a minority wanting additional mitigation for extended sessions.

Price comparisons come up frequently. Some buyers feel the value is good for the platform's capabilities; others find it less competitive than similar semi-auto magnum options from other brands. Aftermarket accessory availability is limited, and the 14x1mm thread pattern requires attention when shopping for muzzle devices.