Description
Winchester built the Xpert line to chase down every bit of accuracy a rimfire can offer, and this SR version takes it a step further with a 16.5-inch button-rifled barrel threaded 1/2×28 at the muzzle. Spin on a suppressor and the whole rig stays short, quiet, and easy to swing on squirrels or steel. The chambering is Winchester's .21 Sharp, a modern take on the rimfire that pairs a .22 LR case with a non-heeled .210 caliber bullet. The result is a cleaner-shooting round with better bullet options, including lead-free loads, and velocities that edge past standard .22 LR.
What Makes the Xpert SR Shoot So Well
The trigger deserves a lot of the credit. The Rimfire M.O.A. trigger is the same three-lever design concept found in Winchester's Model 70 and XPR centerfire rifles, tuned to break clean with no creep, no take-up, and no over-travel, and it's adjustable so you can dial it to your liking. Downstream of that, a Bentz-style semi-match chamber and recessed target crown tighten things up, while the hemispherical firing pin gives rimfire primers a more reliable strike. The steel receiver comes drilled and tapped for optics, and a fully adjustable rear sight with a ramped post front means you can shoot it straight out of the box.
Handy Features on the Xpert SR .21 Sharp
At roughly 4.5 pounds with a tough black polymer stock, this rifle carries all day without complaint. The extended bolt handle adds leverage for smooth, quick cycling, the safety sits right at the rear of the receiver where your thumb expects it, and dual ambidextrous magazine releases drop the mag into your hand instead of onto the ground. Speaking of magazines, the included 10-round rotary mag shares its pattern with the Wildcat, and the rifle also accepts aftermarket 10/22-style magazines in .21 Sharp.
For a first rifle in this new cartridge, or a lightweight truck-and-trail rimfire that's ready for a can, the Xpert SR checks the right boxes without weighing down your wallet or your shoulder.
Key Specifications
- Model: Xpert SR
- Manufacturer Part Number: 5252011003
- UPC: 048702029011
- Caliber: .21 Sharp
- Action: Bolt Action
- Barrel Length: 16.5"
- Muzzle Threads: 1/2×28 TPI
- Twist Rate: 1:12
- Capacity: 10+1
- Magazine: 10-round rotary, accepts 10/22-pattern mags
- Trigger: Adjustable three-lever Rimfire M.O.A.
- Sights: Ramped post front, adjustable rear
- Receiver: Steel, drilled and tapped for optics
- Stock: Black polymer
- Weight: Approx. 4.5 lbs
- Overall Length: 35.25"
What’s Included
- Winchester Xpert SR rifle
- One 10-round rotary magazine
- Knurled thread protector
- Owner's manual
Frequently Asked Questions
Can the Winchester Xpert SR shoot regular .22 LR ammo?
No. The .21 Sharp uses a .22 LR case but fires a smaller .210 diameter, non-heeled bullet, so the barrel is bored specifically for it. Stick with .21 Sharp ammunition, which Winchester offers in several loads from 25 to 42 grains, including lead-free options.
Is the Xpert SR really suppressor ready?
Yes, the 16.5-inch barrel is threaded 1/2×28, which is the standard rimfire suppressor pitch, and it ships with a thread protector installed. That short barrel keeps the overall package compact even with a can mounted.
Does the Xpert SR accept 10/22 magazines?
It does. The included 10-round rotary magazine is the same pattern used in Winchester's Wildcat, and the rifle also runs aftermarket 10/22-style magazines chambered for .21 Sharp. Dual ambidextrous releases on the sides and bottom make mag changes quick from either hand.
Can I mount a scope on this rifle?
Yes, the steel receiver comes drilled and tapped from the factory, so adding a rail or scope bases is simple. It also wears a ramped post front sight and fully adjustable rear sight, so you're covered either way.



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