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Underwood Ammunition For Sale

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Underwood built its name loading cartridges to their original full-power specs instead of the watered-down factory standard, across monolithic defensive bullets, hardcast hunting loads, and traditional JHP. Browse every Underwood caliber we stock below, by the box or in bulk. Learn More
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  1. Underwood 9mm +P Ammo - 20 Rounds of 68 Grain Xtreme Defender Ammunition

    Image of Underwood 9mm +P Ammo - 20 Rounds of 68 Grain Xtreme Defender Ammunition
    $26.99
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    56 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type Solid Copper
    Primer Type Boxer
    Casing Type Nickel-Plated Brass
    Condition New
    Muzzle Velocity 1800 FPS
    Muzzle Energy 489 ft lbs
    • 20 Rounds
    • $1.35 per round
    • Made by Underwood

  2. Underwood 9mm +P Ammo - 20 Rounds of 90 Grain Xtreme Defender Ammunition

    Image of Underwood 9mm +P Ammo - 20 Rounds of 90 Grain Xtreme Defender Ammunition
    $25.99

    2 Reviews

    45 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type Solid Copper
    Primer Type Boxer
    Casing Type Nickel-Plated Brass
    Condition New
    Muzzle Velocity 1475 FPS
    Muzzle Energy 435 ft lbs
    • 20 Rounds
    • $1.3 per round
    • Made by Underwood

  3. Underwood 45 ACP +P Ammo - 20 Rounds of 230 Grain JHP Ammunition

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    $23.99
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    7 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type JHP
    Primer Type Boxer
    Casing Type Nickel-Plated Brass
    Condition New
    Muzzle Velocity 1000 FPS
    Muzzle Energy 511 ft lbs
    • 20 Rounds
    • $1.2 per round
    • Made by Underwood

  4. Underwood 9mm +P Ammo - 20 Rounds of 147 Grain XTP JHP Ammunition

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    $22.99
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    45 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type XTP
    Primer Type Boxer
    Casing Type Nickel-Plated Brass
    Condition New
    Muzzle Velocity 1125 FPS
    Muzzle Energy 413 ft lbs
    • 20 Rounds
    • $1.15 per round
    • Made by Underwood

  5. Underwood 38 Special +P Ammo - 20 Rounds of 125 Grain XTP Ammunition

    Image of Underwood 38 Special +P Ammo - 20 Rounds of 125 Grain XTP Ammunition
    $21.99

    1 Review

    41 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type XTP
    Primer Type Boxer
    Casing Type Nickel-Plated Brass
    Condition New
    Muzzle Velocity 1250 FPS
    Muzzle Energy 434 ft lbs
    • 20 Rounds
    • $1.1 per round
    • Made by Underwood

  6. Underwood 9mm +P Ammo - 20 Rounds of 115 Grain JHP Ammunition

    Image of Underwood 9mm +P Ammo - 20 Rounds of 115 Grain JHP Ammunition
    $19.00
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    11 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type JHP
    Primer Type Boxer
    Casing Type Nickel-Plated Brass
    Condition New
    Muzzle Velocity 1300 FPS
    Muzzle Energy 432 ft lbs
    • 20 Rounds
    • 95¢ per round
    • Made by Underwood

Customer Reviews

Click To Purchase This 9mm Underwood Ammunition
Underwood 9mm +P Ammo - 20 Rounds of 90 Grain Xtreme Defender Ammunition
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  • johny said:

    Other guy whining would like to see higher than 90 grain...well this is 99.5%+ Cu or "copper"...it is not as dense as lead and thus does not have the same weight or grain to it. As good as it gets for what it is, unless you're going to have a longer bullet or wider bullet, there really isn't anyway to add more weight to it...it its a 9x19mm and that's all the weight/grain it will ever have being made of copper.

  • Ricke said:

    Overall a great product, pricey but unique. unlike others have been tried, these are true to purpose. I would like to see a higher grain than 90 for this ammo.

Click To Purchase This 38 Special Underwood Ammunition
Underwood 38 Special +P Ammo - 20 Rounds of 125 Grain XTP Ammunition
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  • Arran said:

    The first choice I have for .38 ammo for personal protection in a carry revolver. It hits shockingly hard, gel tests show it going very deep, and its both extremely loud and can shoot some big fire balls out the sides of your gun which is going to scare the shit out of all but the most persistent problem on two or four legs.