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About Tumble Upon Impact®

Fort Scott Munitions’® monolithic, solid copper projectiles are specially engineered to tumble when striking water-based tissue. This Tumble Upon Impact® TUI® design ensures that the distribution of damage primarily occurs internally instead of at first contact with skin, resulting in a clean, ethical kill.

Bullet travels straight through skin into vital organ area to do the most damage.

Once hitting the water-based tissue, the bullet begins to tumble.

The bullet has rotated 180 degrees causing extreme wound cavities.

TUI® ammo violently tumbles cutting through everything in its path causing excessive damage.

See It In Action

Shop Tumble Upon Impact® Ammo

  • 9MM Luger TUI® - 115Gr Ammo - Fort Scott Munitions
    9MM Luger TUI® - 115Gr Ammo - Fort Scott Munitions

    9MM Luger TUI® - 115Gr Ammo

    $ 28.64 - $ 1,392.00
    $ 28.64 - $ 1,392.00
    $ 28.64 - $ 1,392.00
    $ 28.64

    Unbelievable Accuracy and Terminal Performance Non-lead, solid copper spun SCS® bullet Patented, Tumble Upon Impact® design Fort Scott Munitions’...

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  • 9MM Luger TUI® - 80Gr Ammo - Fort Scott Munitions
    9MM Luger TUI® - 80Gr Ammo - Fort Scott Munitions

    9MM Luger TUI® - 80Gr Ammo

    $ 27.28 - $ 1,324.00
    $ 27.28 - $ 1,324.00
    $ 27.28 - $ 1,324.00
    $ 27.28

    Unbelievable Accuracy and Terminal Performance Non-lead, solid copper spun (SCS®) bullet Superior penetration Multi-Patented, Tumble Upon Impact®...

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  • 5.56 NATO SCS® TUI® - 62Gr Ammo - Fort Scott Munitions
    5.56 NATO SCS® TUI® - 62Gr Ammo - Fort Scott Munitions

    5.56 NATO SCS® TUI® - 62Gr Ammo

    $ 27.99 - $ 1,359.50
    $ 27.99 - $ 1,359.50
    $ 27.99 - $ 1,359.50
    $ 27.99

    Amazing Accuracy and Terminal Performance Solid copper spun (SCS®) bullet, Non-lead Multi-Patented Tumble Upon Impact® design Match grade ammuniti...

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  • 5.56 NATO SBS® TUI® - 62Gr Ammo - Fort Scott Munitions
    5.56 NATO SBS® TUI® - 62Gr Ammo - Fort Scott Munitions

    5.56 NATO SBS® TUI® - 62Gr Ammo

    $ 27.99 - $ 1,359.50
    $ 27.99 - $ 1,359.50
    $ 27.99 - $ 1,359.50
    $ 27.99

    Amazing Accuracy and Terminal Performance Solid Brass Spun (SBS®) bullet, Non-lead Multi-Patented Tumble Upon Impact® Match grade ammunition F...

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  • 9MM Sub-Munition® TUI® - 125Gr Ammo - Fort Scott Munitions
    9MM Sub-Munition® TUI® - 125Gr Ammo - Fort Scott Munitions

    9MM Sub-Munition® TUI® - 125Gr Ammo

    $ 30.05 - $ 1,462.50
    $ 30.05 - $ 1,462.50
    $ 30.05 - $ 1,462.50
    $ 30.05

    Unbelievable Terminal Performance and Accuracy Multi-Patented, Tumble Upon Impact® design Superior penetration Non lead, SCS® (solid copper spun) ...

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  • 380 ACP TUI® - 95Gr Ammo - Fort Scott Munitions
    380 ACP TUI® - 95Gr Ammo - Fort Scott Munitions

    380 ACP TUI® - 95Gr Ammo

    $ 27.73 - $ 1,346.50
    $ 27.73 - $ 1,346.50
    $ 27.73 - $ 1,346.50
    $ 27.73

    Unbelievable Terminal Performance and Accuracy Multi-Patented, Tumble Upon Impact® design Superior penetration Non lead, SCS® (solid copper spun)...

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  • 5.56 NATO SCS® TUI® - 55Gr Ammo - Fort Scott Munitions
    5.56 NATO SCS® TUI® - 55Gr Ammo - Fort Scott Munitions

    5.56 NATO SCS® TUI® - 55Gr Ammo

    $ 27.90 - $ 1,355.00
    $ 27.90 - $ 1,355.00
    $ 27.90 - $ 1,355.00
    $ 27.90

    Amazing Accuracy and Terminal Performance Solid copper spun (SCS®) bullet, Non-lead Multi-Patented Tumble Upon Impact® Design Match grade ammuni...

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  • 45 ACP TUI® - 180Gr Ammo - Fort Scott Munitions
    45 ACP TUI® - 180Gr Ammo - Fort Scott Munitions

    45 ACP TUI® - 180Gr Ammo

    $ 31.54 - $ 1,537.00
    $ 31.54 - $ 1,537.00
    $ 31.54 - $ 1,537.00
    $ 31.54

    Incredible Accuracy and Terminal Performance Combined Superior penetration Non-lead, solid copper spun (SCS®) bullet Multi-Patented, Tumble Upon ...

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  • .223 Rem SCS® TUI® - 55Gr - Fort Scott Munitions
    .223 Rem SCS® TUI® - 55Gr - Fort Scott Munitions

    223 Rem SCS® TUI® - 55Gr Ammo

    $ 27.65 - $ 1,342.50
    $ 27.65 - $ 1,342.50
    $ 27.65 - $ 1,342.50
    $ 27.65

    Outstanding Accuracy and Terminal Performance Non-lead, solid copper spun (SCS®) bullet Multi-Patented, Tumble Upon Impact® design Match grade amm...

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  • 40 S&W TUI® - 125Gr Ammo - Fort Scott Munitions
    40 S&W TUI® - 125Gr Ammo - Fort Scott Munitions

    40 S&W TUI® - 125Gr Ammo

    $ 29.54 - $ 1,437.00
    $ 29.54 - $ 1,437.00
    $ 29.54 - $ 1,437.00
    $ 29.54

    Incredible Accuracy and Terminal Performance Multi-Patented, Tumble Upon Impact® design Non-lead, SCS® (solid copper spun) bullet Superior penetra...

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