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25-270 WSM (Winchester Short Magnum)

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The .25-270 WSM (Winchester Short Magnum) is a wildcat cartridge that combines features of the .270 Winchester Short Magnum (WSM) and the .25 caliber bullet. This cartridge is designed for high velocity and flat trajectory, suitable for long-range hunting of medium-sized game such as deer and antelope.
Being a wildcat means it is not standardized by major ammunition manufacturers, so it generally requires custom handloading with specific reloading dies and techniques. The .25-270 WSM offers increased muzzle velocities compared to traditional .25 caliber cartridges due to the larger powder capacity of the WSM case, which results in improved overall performance in terms of range and stopping power.
Use cases for the .25-270 WSM primarily include long-range hunting where a flat trajectory and high energy retention are desired. It's also valued by precision shooters for its potential accuracy at extended ranges. However, due to its wildcat status, shooters must take extra care in load development to ensure safety and optimal performance.


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
Taper Crimp Die
Inline Bullet Feed Die
Case Conditioning Tools
Case Length Gauge and Shell Holder
90493
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
90205 (#5)
Universal Press Shell Holder
90522 (R5)
X-Press Shell Holder (APP)
91538 (#5)
Pro 1000 Shell Plate
Auto Breech | Pro 4000 Shell Plate
Six Pack Pro Shell Plate
91840 (5L)
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