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401 WSL (Winchester Self Loading)

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The .401 Winchester Self-Loading (WSL) cartridge was introduced by Winchester Repeating Arms Company in 1910. Designed for use in the Winchester Model 1910 self-loading rifle, it was intended primarily for hunting medium to large game. The .401 WSL fires a 200 or 250-grain bullet at a muzzle velocity of around 2140 feet per second (for the 200-grain bullet). This provided substantial stopping power for its time.
The semi-automatic Model 1910 rifle chambered in .401 WSL was somewhat popular among hunters for its rapid follow-up shot capability compared to bolt-action rifles of the same era. Despite its robust performance, the cartridge and the rifles chambered for it saw limited success and were eventually overshadowed by other cartridges and firearm technologies.
Today, the .401 WSL is considered obsolete, and ammunition is difficult to obtain, typically only found through specialty manufacturers or handloading by enthusiasts. It remains a cartridge of historical interest rather than practical use in modern hunting or shooting sports.

Die Sets
Lee Collet Necksizing 2-Die Set
Lee RGB Die Set
Lee Full-Length Sizing Die Set
Lee Breech Lock Die Set
Lee Ultimate 4-Die Set
Lee Loader
Single Dies
Full-Length Sizing Die
Sizing Die
Neck Sizing Die
Undersize Sizing Die
Charging Die
Seating Die
Factory Crimp Die
91261 (Collet Style)
Taper Crimp Die
Inline Bullet Feed Die
Case Conditioning Tools
Case Length Gauge and Shell Holder
Quick Trim Die
Presses
Reloader Press (50 RPH)
Hand Press (50 RPH)
Challenger Press (50 RPH)
Classic Cast Press (50 RPH)
Value Turret Press (250 RPH)
Classic Turret Press (250 RPH)
Ultimate Turret Press (250 RPH)
Pro 1000 Press (500+ RPH)
Pro 4000 Press (500+ RPH)
Six Pack Pro Press (500+ RPH)
Shell Plates and Holders
Priming Tool Shell Holder
90210 (#10)
Universal Press Shell Holder
90527 (R10)
X-Press Shell Holder (APP)
91543 (#10)
Pro 1000 Shell Plate
Auto Breech | Pro 4000 Shell Plate
Six Pack Pro Shell Plate
91845 (10L)
Inline Bullet Feed
Inline Bullet Feed Die
Inline Bullet Feed Kit
Inline Bullet Feed Magazine
Bullet Casting
Classic Bullet Sizing Kit
Breech Lock Bullet Sizer and Punch
Bullet Molds

Micrometer Adjust Screw

From $20.00

Power Grip Shell Holder

92149
$10.00

Challenger III

From $117.00

Ultimate Turret Press

From $320.00

Deluxe APP Press Kit

91898

Includes:

  • Press
  • Roller Handle
  • Priming System
  • Universal Case Feeder
  • APP Deprime Kit
  • Bottle Adapter
$155.00

Six Pack Pro Press

From $400.00