200rds – 45 ACP +P Hornady Critical Duty 220gr. FlexLock Ammo

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Hornady Ammunition 220 Grain Jacketed Hollow-Point (JHP) Ammo Details

This 45 ACP +P cartridge by Hornady features the 220 grain FlexLock projectile. This bullet’s nose cavity is fitted with a columnar Flex Tip, which serves both to prevent it from getting clogged as well as to initiate expansion when impact drives it deep down into its core. The FlexLock’s high antimony lead core is exceedingly tough, and is also tightly connected to its jacket via an InterLock ring. As the result it’s able to expand to far wider than its original diameter and retain the great majority of its weight while doing so, making this bullet the one to rely on when you absolutely must neutralize a threat quickly.

This Critical Duty cartridge also offers a nickel plated brass casing. Its reflective plating makes this round easier to spot during a hasty chamber check in dim lighting, and further promotes smooth cycling and grants superior resistance to corrosion. This round’s suitability for implementation in the dark is bolstered by its low flash propellant, which won’t blind you and rob you of your ability to fire fast follow-up shots or acquire a second target.

Please never fire a +P round from a firearm that isn’t rated for it!
  • Manufacturer
    Hornady Ammunition
  • Condition
  • Bullet Weight
    220 Grain
  • Bullet Type
    Jacketed Hollow-Point (JHP)
  • Use Type
    Self Defense
  • Casing Type
    Nickel-Plated Brass
  • Quantity
  • Ammo Caliber
    45 ACP (Auto)
  • Pressure
  • Manufacturer SKU
  • Primer Type
  • Muzzle Velocity
  • Muzzle Energy
  • UPC Barcode
  • Cost Per Round

Ballistic Gel Testing


In hopes of giving ourselves and our customers a better idea how this 45 ACP (Auto) self-defense ammo would perform if called upon in a self-defense scenario, we tested dozens of the best selling hollow points on the market.

We fired five rounds of this Hornady Ammunition 45 ACP (Auto) ammo through a cloth barrier into Clear Ballistics calibrated synthetic gelatin and recorded the results. For these tests, we used a Ruger SR45 with a 4.5-inch barrel. In the photos, graphics and video on this page, you can see specifically how the Hornady Ammunition ammo performed and how it sticks up with the rest of the 45 ACP (Auto) ammo we have tested so far.

To read more about our testing procedures and discover what round makes the best self-defense ammo for you head to this page.

Hornady Ammunition 220 Grain 45 ACP (Auto) ammunition fired into ballistic gelatin

Unfired versus Fired Round Comparison

Image detailing before and after firing 200rds – 45 ACP +P Hornady Critical Duty 220gr. FlexLock Ammo Image detailing before and after firing 200rds – 45 ACP +P Hornady Critical Duty 220gr. FlexLock Ammo

How do the results for this Hornady Ammunition 45 ACP (Auto) compare to other 45 ACP?

200rds – 45 ACP +P Hornady Critical Duty 220gr. FlexLock Ammo Gel Test Results
Bullet Depth (in.) 18.5 18.8 19 20 21.4
Expanded Diameter (in.) 0.54 0.55 0.55 0.55 0.59
Bullet Weight after shot (gr.) 217.8 217.9 218 218 220
Bullet Velocity (fps) 960 960 997 1014 1024
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