WATCH: Behind The Scenes At The Winchester Rimfire Ammunition Plant

by
posted on February 20, 2020
** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. **

The folks at American Rifleman Television recently had the chance to tour the Winchester Ammunition rimfire factory in Oxford, MS. A large portion of the billions (yes billions) of rimfire rounds produced every year in the U.S. are made at Winchester's Oxford plant. Watch the video above for a behind the scenes look with American Rifleman magazine Editor-in-Chief Mark Keefe.

The Winchester plant in Oxford runs three shifts, 24 hours a day. Since rimfire shooters have an enormous appetite for .22 LR ammunition, having enough volume from a manufacturing standpoint to supply consumer demand is something that Winchester take very seriously. As such, the company is building as much quality rimfire ammunition as it can.

To build a rimfire cartridge is not your typical assembly-line process. Different components (some explosive) come from different parts of the factory to facilitate assembly in what's more accurately described as a batch process.

One major challenge in rimfire cartridge manufacture: building the cartridge rim to the right dimensions so the proper amount of priming mix can be added for consistent ignition.

Going beyond .22 LR, Winchester has been a key player in the rimfire game for decades with innovations like the first magnum rimfire, the .22 Win. Mag., and the improved .17 Win. Super Mag.—the fastest rimfire load available.

With companies like Winchester working hard to produce rimfire ammunition in the amounts needed to satisfy shooter needs, it looks like we are safe from any shortages in the near future. 


See more: Rimfire Ammunition Reliability

Latest

Usaclaytarget 2026Collegeresults 1
Usaclaytarget 2026Collegeresults 1

Alfred State College Wins Team Title at 2026 USA College Clay Target League National Championship

Alfred State and Montcalm’s Tanner Schmaus won national titles on tiebreakers at the 2026 USA College Clay Target League National Championship.

Montana Gov. Greg Gianforte Opens New PROOF Research Facility

Montana Gov. Greg Gianforte opened PROOF Research’s newest Columbia Falls building, toured barrel and rifle production and fired a 22 Creedmoor rifle.

New: Watchtower Defense Vantage Handguns

Watchtower Defense’s new Vantage Series pairs ported slides and barrels with double-stack 1911 frames in full-size and compact versions.

Trijicon Gives RMR HD A New Look In Coyote Brown

Trijicon has added a Coyote Brown anodized finish to its RMR HD reflex sight, offered with 1.0- or 3.25-MOA dots for $1,066.

Collegiate Rifle: Anceline Brackman Fires First Perfect 600-60X in NCAA History

Murray State freshman Anceline Brackman fired the first 600-60X air rifle score in NCAA history Nov. 1 at Ohio State.

TriStar’s New Viper G3 Improves on Award-Winning Shotgun

TriStar’s Viper G3 semi-automatic shotgun adds oversized controls and stronger internals, with a 3-inch chamber in every gauge.

Interests



Get the best of Shooting Sports USA delivered to your inbox.