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.
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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 |
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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 |
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Case Length Gauge and Shell Holder |
90493 |
Quick Trim Die |
Presses |
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Reloader Press (50 RPH) |
90045 (Lee Reloader Press) |
Hand Press (50 RPH) |
Breech Lock Hand Presses |
Challenger Press (50 RPH) |
90588 (Challenger III) |
Classic Cast Press (50 RPH) |
90998 (Classic Cast Press) |
Value Turret Press (250 RPH) |
90928 (Value 4-hole Turret Press Kit) 90932 (4-hole Turret Press with Auto Index) |
Classic Turret Press (250 RPH) |
90304 (Classic Turret Press Kit) 90064 (Classic Turret Press) |
Ultimate Turret Press (250 RPH) |
91910 (Ultimate Turret Press) |
Pro 1000 Press (500+ RPH) |
Pro 4000 Press (500+ RPH) |
Six Pack Pro Press (500+ RPH) |
91823 (Six Pack Pro Reloading Press) |
Shell Plates and Holders |
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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 |
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Inline Bullet Feed Die |
Inline Bullet Feed Kit |
Inline Bullet Feed Magazine |
Bullet Casting |
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Classic Bullet Sizing Kit |
Breech Lock Bullet Sizer and Punch |
Bullet Molds |
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