The Winchester XPR Black Box magazine is a purpose-built detachable magazine for Winchester's XPR rifle platform, engineered to feed magnum cartridges reliably in the field. Built from lightweight polymer, this 3-round magazine is designed for hunters and shooters running 7mm Rem Mag, .338 Win Mag, or .300 Win Mag Winchester XPR rifles who need a dependable spare or backup magazine setup. The slim single-stack design keeps rounds feeding straight into the chamber—no angles, no complications—while dual locking points at front and rear ensure the magazine seats firmly and stays put through recoil and rough handling.

Winchester engineered this magazine with the working hunter in mind. The narrow profile means you can slip a loaded magazine into a jacket pocket or pack without bulk, making it easy to carry spares for a quick reload without fumbling. The polymer construction keeps weight minimal while maintaining the durability required for backcountry hunting and repeated field use. The straightforward single-stack feed geometry reduces the moving parts in your magazine and simplifies feeding reliability—nothing to overthink when you need it to work.

If you're building a complete XPR magnum rig or simply need additional magazines for rotation and backup, this Winchester factory magazine delivers the fit and function Winchester intended. Pair it with your XPR and trust the engineering Winchester built into the platform.

Key Features

• 3-round capacity for magnum and standard long-action calibers
• Lightweight polymer construction for durability and minimal weight
• Dual front and rear locking points for secure seating and consistent feeding
• Slim single-stack design for easy pocket or pack carry
• Straight-line cartridge feed into the chamber

Specifications

Capacity	3 rounds
Material	Polymer
Compatibility	Winchester XPR rifles in 7mm Rem Mag, .338 Win Mag, .300 Win Mag
Magazine Type	Detachable box magazine
Design	Single-stack

Frequently Asked Questions

Which Winchester XPR models and calibers does this magazine fit?

This Winchester XPR Black Box magazine is compatible with Winchester XPR rifles chambered in 7mm Rem Mag, .338 Win Mag, and .300 Win Mag.

Can I carry multiple loaded magazines easily?

Yes. The slim single-stack design was engineered to fit easily into a pocket, pack, or mag pouch without the bulk of traditional double-stack magazines, making it practical to carry multiple loaded spares in the field.

How does this magazine lock into the rifle?

The magazine latches at both the front and rear, providing dual locking points that ensure secure seating and consistent feeding reliability.

Is this an original Winchester factory magazine?

Yes, this is a Winchester factory detachable box magazine designed specifically for the XPR rifle platform.