Description
The Fort Scott TUI 40 SW 125gr load is a 20 round box of 40 S&W ammunition from Fort Scott Munitions, an American company in Fort Scott, Kansas. It uses a 125 grain Solid Copper Spun (SCS) bullet with the company’s Tumble Upon Impact design, and Fort Scott lists a test velocity of 1321 fps from a 4 inch barrel. The light, fast bullet gives this 40 caliber load a different character from the heavier hollow points most shooters know.
Fort Scott TUI 40 SW 125gr Overview
Most 40 S&W loads use bullets between 155 and 180 grains. 125 inches. The higher speed and lighter weight change the recoil impulse and help the tumbling design start working quickly after impact. Because the projectile is solid copper, it will not lose petals or separate from a jacket, which keeps penetration consistent through clothing and other barriers. Shooters who want a lead-free option for home defense, concealed carry or backcountry use will find this load a useful addition to the 40 caliber lineup.
How TUI Works
Fort Scott’s patented Tumble Upon Impact (TUI) design works differently from a hollow point. Rather than mushrooming, the lathe-turned copper bullet is engineered with an off-center balance so it begins to yaw and tumble once it enters a target. A tumbling bullet presents its full length as it travels, creating a large wound channel while keeping its weight because it does not fragment or shed petals. The result is deep, consistent penetration with no lead in the projectile.
Non-Lead Construction
Because the bullet is a single piece of copper turned on a lathe, it contains no lead core. That makes it compliant in areas that restrict lead ammunition for hunting, and it reduces lead exposure at the range. Monolithic bullets are also longer than lead-core bullets of the same weight, so seating depth and case capacity are tuned specifically for each load.
Firearm Compatibility
This ammunition is made for handguns chambered in 40 S&W. It runs in popular duty and carry pistols such as the Glock 22, 23 and 27, the Smith and Wesson M&P40, the SIG P320 and P229 in 40, and similar designs. Do not fire it in a 10mm Auto or a 357 SIG firearm, even though they share a similar bore. Because the copper bullet has a different profile and length than a typical hollow point, run at least a box through your pistol and magazines to confirm smooth feeding from every round in the magazine, including from slide lock.
Accuracy and Testing
Every rifle and pistol has its own preferences. Before you hunt or carry with this load, fire several groups at your usual distance to confirm point of impact and function. Solid copper and brass bullets can shoot to a different point than lead-core loads, so a fresh zero check is always worth the time.
Recoil and Shootability
The 40 S&W has a reputation for a sharp recoil impulse, especially in compact pistols. A 125 grain bullet moving at higher speed tends to feel quicker and snappier than a heavy, slower load, but with less overall push. Many shooters find it controllable in full-size pistols, and practice with the same load you carry is the best way to build confidence with follow-up shots.
Made in the USA
Fort Scott Munitions designs and manufactures its bullets and loaded ammunition in Kansas. The company holds patents on its tumbling bullet technology and offers it across a wide range of handgun and rifle calibers, from compact pistol rounds to magnum rifle cartridges.
Storage and Care
Store ammunition in a cool, dry place in its original box, away from solvents and lubricants. Inspect cartridges before use and set aside any with dents, corrosion or loose bullets.
Specifications
- Brand: Fort Scott Munitions
- Caliber: 40 S&W
- Bullet weight: 125 grain
- Bullet type: Solid Copper Spun (SCS) Tumble Upon Impact (TUI)
- Test velocity: 1321 fps
- Test barrel / twist: 4 inch / 1:16
- Count: 20 rounds per box
- Lead-free projectile
- UPC: 758381721969
- Made in the USA
Before You Buy
Federal law requires buyers of handgun ammunition to be at least 21 years old when buying from a licensed dealer. Some states and cities restrict ammunition purchases, require background checks or limit shipping, so check your local rules before you order.
Who It Is For
The Fort Scott TUI 40 SW 125gr is a great fit for 40 S&W owners who want a lead-free defensive load, shooters looking for consistent penetration without a hollow point, and anyone who wants an American-made copper option for home or carry.
Buy the Fort Scott TUI 40 SW 125gr at MAG5 Firearms
MAG5 Firearms is a family-owned FFL in Collegeville, Pennsylvania. Order the Fort Scott TUI 40 SW 125gr online and we will ship it to you where state and local law allow, or browse our full selection of ammunition for more handgun loads. For factory details, visit Fort Scott Munitions.
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