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45 GAP Ammo icon

45 GAP Ammo For Sale

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The .45 Glock Automatic Pistol (GAP) is a rimless straight-walled cartridge designed to be shorter than a .45 ACP while maintaining a similar energy level with the same bullet diameter. The intention was to create a .45 caliber ammunition perfect for concealed carry and law enforcement. Learn More
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  1. Magtech 45 GAP Ammo - 1000 Rounds of 230 Grain FMJ Ammunition

    Image of Magtech 45 GAP Ammo - 1000 Rounds of 230 Grain FMJ Ammunition
    $619.99
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    1 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 837 FPS
    Muzzle Energy 358 ft lbs
    • 1000 Rounds
    • 62¢ per round
    • Made by Magtech

  2. Magtech 45 GAP Ammo - 50 Rounds of 230 Grain FMJ Ammunition

    Image of Magtech 45 GAP Ammo - 50 Rounds of 230 Grain FMJ Ammunition
    $34.99
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    94 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 837 FPS
    Muzzle Energy 358 ft lbs
    • 50 Rounds
    • 70¢ per round
    • Made by Magtech

  3. Sellier and Bellot 45 GAP Ammo - 50 Rounds of 230 Grain FMJ Ammunition

    Image of Sellier and Bellot 45 GAP Ammo - 50 Rounds of 230 Grain FMJ Ammunition
    $36.99
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    122 In stock now

    1 2 3 4 5 6 7 8 9 +10
    Bullet type Full Metal Jacket (FMJ)
    Primer Type Boxer
    Casing Type Brass
    Condition New
    Muzzle Velocity 807 FPS
    Muzzle Energy 333 ft lbs

History of 45 GAP Ammo

In 2003, .45 Glock Automatic Pistol (GAP) ammunition was introduced as the first cartridge to have the Glock name attached to it. Designed as a rimless, straight-walled round, the .45 GAP shares the same bullet diameter as the popular .45 Automatic Colt Pistol (ACP), a hefty .451 inch. For the .45 GAP, the bullet sits in a .755-inch casing (the same length as a 9mm case), giving the ammunition an overall length of 1.070 inches.

Although it’s a big-bore bullet, the ammo uses a small pistol primer with a maximum pressure of 23,000 pounds per square inch (psi), making it a great option for self-defense.

.45 GAP Ballistics: Chart of Average .45 GAP Ballistics

When firing .45 GAP ammo, shooters can expect consistency and accuracy. And as for .45 GAP ballistics, there’s a range of performance, depending on what type of ammunition is being shot.

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.

45 GAP 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.  
165 Grain 1007 936 879 372 321 283 -1.4 -11.8 5"
185 Grain 1090 970 890 490 385 320 1 4.7 5"
230 Grain 880 842 n/a 396 363 n/a n/a n/a n/a
Molly Carter
Written by
Molly Carter

Customer Reviews

Click To Purchase This 45 GAP Speer Ammunition
Speer 45 GAP Ammo - 50 Rounds of 200 Grain TMJ Ammunition
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  • mcjolley said:

    Excellent quality.

Click To Purchase This 45 GAP Magtech Ammunition
Magtech 45 GAP Ammo - 20 Rounds of 230 Grain JHP Ammunition
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  • esleeth said:

    Thanks for speedy service.

Click To Purchase This 45 GAP Speer Ammunition
Speer 45 GAP Ammo - 50 Rounds of 185 Grain TMJ Ammunition
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  • Jordan said:

    GOOD

  • Harry said:

    I'm in no way an expert but I've fired 100 rounds of this ammo so far and am pleased with my purchase 4 inch grouping at 10 yards with my glock 37 which isn't bad for a 45. The ammo does smoke a little but there were no misfires, jams or duds.