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257 STW

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The .257 STW (Shooting Times Westerner) is a high-velocity rifle cartridge based on the .7mm Shooting Times Westerner (7mm STW) case, which itself is a necked-down version of the .8mm Remington Magnum. Introduced in the early 1990s, the .257 STW is designed for long-range shooting and medium-sized game hunting, such as deer or pronghorn.
This cartridge is known for its flat trajectory and high muzzle velocity, typically sending a .257 caliber bullet (6.5mm) downrange at speeds exceeding 3,500 feet per second (fps). The high velocity and flat trajectory make it suitable for long-range shots, reducing the need for significant holdover.
The .257 STW is less common than other hunting cartridges, and as such, handloading is often necessary for those who choose to use it. It is particularly favored by enthusiasts who prioritize long-range accuracy and performance over the availability of factory ammunition.
Given its powerful ballistics, it produces significant recoil and requires rifles with strong actions and barrels to handle the increased pressures.

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