Upgrade your rimfire optics setup with the Winchester Repeating Arms Xpert Picatinny Rail—a tough, precision-fit scope base engineered specifically for the Winchester Xpert rifle platform. Finished in black, this one-piece rail gives you the modern versatility of a true Picatinny-style mounting surface, allowing flexible ring placement for proper eye relief and a rock-solid foundation for your favorite rimfire scope, red dot, or compact optic. This model is Item 62399 with UPC 023614985105, making it easy to match the correct rail for your rifle and your parts list. Winchester Accessories+1
Built for the Winchester Xpert—precision fit, no guesswork
Nothing is more frustrating than a “universal” base that doesn’t line up cleanly or forces you into awkward ring spacing. The Xpert Picatinny Rail is made as a premium scope base for the Winchester Xpert, delivering correct fitment and a clean, stable interface between your receiver and your optic. Winchester Accessories+1
Just as important: Winchester’s own listing notes this rail is compatible with 22 LR and 21 Sharp models only, helping you avoid buying the wrong base for other variants. Winchester Accessories
Picatinny flexibility for better eye relief and optic placement
A major advantage of a Picatinny rail is the freedom to position your rings exactly where you need them, rather than being locked into a couple of fixed screw slots like traditional rimfire dovetails or short bases. Winchester highlights this “maximum flexibility” in ring positioning and overall scope placement—especially important when you’re dialing in:
Proper eye relief for comfortable shooting
Optimal scope placement for prone vs. bench use
Different optic lengths (compact rimfire scopes vs. larger glass)
Red dots or prism optics that need specific mounting positions Winchester Accessories+1
This rail is intended to accept Picatinny-style scope rings (so you’ll want Picatinny-compatible rings/mounts). Winchester Accessories+1
One-piece design for rigidity and repeatable performance
For rimfire precision—whether you’re punching paper, ringing steel, or shooting small game—mount stability matters. The Xpert Picatinny Rail is described as a one-piece design built to provide the rigidity needed for accurate, repeatable performance. With a single continuous rail, you get a strong mounting platform that helps keep optics secure through regular use and transport. midwestgunworks.com+1
Durable black finish and included mounting screws
The rail is offered in black (often listed as black oxide on retailer listings), giving your rifle a clean, low-profile look that matches most optics and rings. It also ships with mounting screws, so you’re ready to install without hunting down extra hardware. OpticsPlanet+1
Perfect for scopes, red dots, and rimfire trainers
Whether you’re setting up a classic rimfire scope for precision groups or adding a red dot for fast plinking, the Winchester Xpert Picatinny Rail is a practical upgrade for:
If you’re searching terms like “Winchester Xpert scope base,” “Winchester Xpert rail,” “62399 Picatinny,” or “023614985105”, this rail is the correct product for an Xpert optics-ready setup.
SEO-friendly product identifiers and key specs
The Bottom Line
If you want a clean, correct-fit optics foundation for your rimfire, the Winchester Repeating Arms Xpert Picatinny Rail Black (62399 / 023614985105) delivers the flexibility of Picatinny ring placement, a rigid one-piece platform, and easy installation with included hardware—helping you mount your optic the way you want and keep it there. Winchester Accessories+1
The End