7mm STW (Shooting Times Westerner) Ammo, Rifles & Ballistics Guide
The 7mm STW, short for 7mm Shooting Times Westerner, is a high-velocity magnum cartridge designed for extreme long-range performance. Developed by Layne Simpson and popularized by Shooting Times magazine, the 7mm STW is based on a necked-down 8mm Remington Magnum case, making it one of the fastest 7mm cartridges ever produced.
Known for its flat trajectory and exceptional downrange energy, the 7mm STW remains a favorite among long-range hunters, precision shooters, and experienced reloaders.
Quick FAQs – 7mm STW
What does STW stand for in 7mm STW?
STW stands for Shooting Times Westerner.
Is 7mm STW still in production?
Factory ammo and rifles are limited, but 7mm STW ammo, brass, and reloading components are still available through specialty sources.
Is 7mm STW better than 7mm Remington Magnum?
The 7mm STW vs 7mm Rem Mag comparison shows the STW offers higher velocity and flatter trajectory, but with increased recoil and barrel wear.
Is 7mm STW good for long-range hunting?
Yes. It excels at long-range hunting of deer, elk, and similar game where extended distances are expected.
Can you reload 7mm STW?
Yes. Reloading is common, and 7mm STW brass is widely used by handloaders to manage cost and optimize performance.





