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10mm Ammo For Sale

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10mm was originally designed to be an improvement over the .45 ACP. While it never gained a great amount of popularity, 10mm is slightly better in ballistics and has an increased magazine capacity – which is why it can be found in the ammunition lines of every major American ammo manufacturer. Learn More
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  1. Prvi Partizan 10mm Ammo - 500 Rounds of 170 Grain Flat Point Jacketed (FPJ) Ammunition

    Image of Prvi Partizan 10mm Ammo - 500 Rounds of 170 Grain Flat Point Jacketed (FPJ) Ammunition
    $204.99
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    10 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type FMJ
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 1115 FPS
    Muzzle Energy 469 ft lbs

  2. Prvi Partizan 10mm Ammo - 50 Rounds of 170 Grain Flat Point Jacketed (FPJ) Ammunition

    Image of Prvi Partizan 10mm Ammo - 50 Rounds of 170 Grain Flat Point Jacketed (FPJ) Ammunition
    $21.79
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    8 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type FMJ
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 1115 FPS
    Muzzle Energy 469 ft lbs

  3. PMC 10mm Ammo - 1000 Rounds of 200 Grain FMJ Ammunition

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    $609.99
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    5 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type FMJ
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 1050 FPS
    Muzzle Energy 490 ft lbs
    • 1000 Rounds
    • 61¢ per round
    • Made by PMC

  4. PMC 10mm Ammo - 50 Rounds of 200 Grain FMJ-TC Ammunition

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    $32.99
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    111 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type FMJ-TC
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 1050 FPS
    Muzzle Energy 490 ft lbs
    • 50 Rounds
    • 66¢ per round
    • Made by PMC

  5. Underwood 10mm Ammo - 200 Rounds of 200 Grain Hard Cast Ammunition

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    $254.99
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    19 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type Hard Cast
    Primer Type Boxer
    Casing Type Nickel-Plated Brass
    Condition New
    Muzzle Velocity 1250 FPS
    Muzzle Energy 694 ft lbs
    • 200 Rounds
    • $1.27 per round
    • Made by Underwood

  6. Underwood 10mm Ammo - 20 Rounds of 200 Grain Hard Cast Ammunition

    Image of Underwood 10mm Ammo - 20 Rounds of 200 Grain Hard Cast Ammunition
    $26.99

    2 Reviews

    120 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type Hard Cast
    Primer Type Boxer
    Casing Type Nickel-Plated Brass
    Condition New
    Muzzle Velocity 1250 FPS
    Muzzle Energy 694 ft lbs
    • 20 Rounds
    • $1.35 per round
    • Made by Underwood

  7. Speer Gold Dot 10mm Ammo - 200 Rounds of 200 Grain JHP Ammunition

    Image of Speer Gold Dot 10mm Ammo - 200 Rounds of 200 Grain JHP Ammunition
    $309.99
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    5 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 1100 FPS
    Muzzle Energy 537 ft lbs
    • 200 Rounds
    • $1.55 per round
    • Made by Speer

  8. Federal Fusion 10mm Ammo - 20 Rounds of 200 Grain Bonded SP Ammunition

    Image of Federal Fusion 10mm Ammo - 20 Rounds of 200 Grain Bonded SP Ammunition
    $31.99
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    57 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type Bonded Soft Point
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 1200 FPS
    Muzzle Energy 639 ft lbs
    • 20 Rounds
    • $1.6 per round
    • Made by Federal

  9. Federal Personal Defense HST 10mm Ammo - 20 Rounds of 200 Grain JHP Ammunition

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    $34.99
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    91 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 1130 FPS
    Muzzle Energy 567 ft lbs
    • 20 Rounds
    • $1.75 per round
    • Made by Federal

  10. Federal 10mm Ammo - 20 Rounds of 200 Grain A-Frame Ammunition

    Image of Federal 10mm Ammo - 20 Rounds of 200 Grain A-Frame Ammunition
    $35.99
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    6 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type Bonded Soft Point
    Primer Type Boxer
    Casing Type Nickel-Plated Brass
    Condition New
    Muzzle Velocity 1100 FPS
    Muzzle Energy 537 ft lbs
    • 20 Rounds
    • $1.8 per round
    • Made by Federal

Overview of 10mm Ammo

The 10mm Auto handgun, designed by Lieutenant Colonel Jeff Cooper in 1983 to replace the .45 ACP as the ideal combat pistol, features a flatter trajectory, better energy transfer, and greater range accuracy than the .45 Auto. It uses a cartridge short enough for semi-automatic pistols but powerful enough to match revolver Magnum rounds, with bullets weighing between 135 and 200 grains in both FMJ and hollow point variations.

The 10mm bullet measures 10.17mm (.400 inch) and sits in a rimless, straight-walled casing that's .992 inch long, totaling 1.250 inches according to SAAMI standards, with C.I.P. measuring it slightly larger at 1.260 inches. The round uses a large pistol primer, with SAAMI setting the maximum pressure at 37,500 psi, while C.I.P. lowers the max pressure to 33,000 psi.

What are the most popular 10mm brands you sell?

You can filter our entire selection using the left sidebar to see which brands we currently have in-stock and available using the Manufacturers filter. You can also filter by attributes such as Bullet Type, Bullet Weight, Casing Type, and Primer Type to find what you need.

Best 10mm Ammo for Specific Uses

Use Case Details
Best 10mm Ammo Best Overall: Speer Gold Dot 200 grain JHP
Runner Up: Hornady Handgun Hunter 135 grain MonoFlex
Best 10mm Ammo for Bear Defense Best Overall: Underwood 10mm Ammo 200 Grain Hard Cast
Runner Up: Sellier & Bellot 180 Grain FMJ

10mm Ballistics: Chart of Average 10mm Ballistics

Note: This information comes from the manufacturer and is for informational purposes only. The actual ballistics obtained with your firearm can vary considerably from the advertised ballistics. Also, ballistics can vary from lot to lot with the same brand and type load.

10mm Bullet WEIGHT Muzzle VELOCITY (fps) Muzzle ENERGY (ft. lbs.) Mid-Range TRAJECTORY (in.) Barrel Length (in.)
  Muzzle 50 yds. 100 yds. Muzzle 50 yds. 100 yds. 50 yds. 100 yds.  
155 Grain 1125 1046 986 436 377 335 0.9 3.9 5"
155 Grain 1265 1118 1018 551 430 357 n/a n/a 5"
170 Grain 1340 1165 1145 680 510 415 0.7 3.2 5"
175 Grain 1290 1140 1035 650 505 420 0.7 3.3 5.5"
180 Grain FBI 950 905 865 361 327 299 1.5 5.4 4"
180 Grain 1030 970 920 425 375 340 1.1 4.7 5"
180 Grain HV 1240 1124 1037 618 504 430 0.8 3.4 5"
200 Grain 1160 1070 1010 495 510 430 0.9 3.8 5"

For more detailed information, check out our 10mm ballistics page.

Molly Carter
Written by
Molly Carter

Customer Reviews

Click To Purchase This 10mm Underwood Ammunition
Underwood 10mm Ammo - 20 Rounds of 200 Grain Hard Cast Ammunition
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  • Ridge Runner said:

    Awesome stuff. These Hard Cast rounds really penetrate. In fact in out did my 357mag in a ballistic gel block. The 10mm penetrated a full 4 inches more than my 357mag.. I will be getting several more boxes of these hard cast rounds...

  • Carl said:

    Great deal price could be lower.