HORNADY - 10MM - 175 GR - FLEXLOCK DUTY - 20 RDS/BOX

Hornady
MPN:
91256
UPC:
090255912562
$36.69
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Hornady Critical Duty 10mm 175 Grain FlexLock is purpose-built defensive ammunition engineered for professionals and serious carriers who demand reliable barrier penetration and consistent terminal performance from a full-size handgun.

  • 175-grain FlexLock bullet delivers barrier-blind performance through common urban obstacles
  • Flex Tip technology initiates reliable expansion even after passing through barriers
  • Interlock band keeps bullet and core locked together for maximum weight retention
  • 1,160 fps muzzle velocity delivers proven stopping power in 10mm platforms
  • Nickel-plated cases resist corrosion and feed reliably in semi-automatic pistols
  • Meets FBI performance protocol standards for law enforcement and duty use

Who This Is For

Hornady Critical Duty 10mm is the go-to choice for law enforcement officers, armed professionals, and experienced concealed carriers who rely on a full-size 10mm pistol for duty or personal protection. If you need ammunition that punches through windshields, heavy clothing, wallboard, or sheet metal without sacrificing expansion or penetration depth, this load was designed with your threat environment in mind.

Hornady Critical Duty 10mm 175 Grain FlexLock box of 20 rounds Hornady Critical Duty 10mm FlexLock bullet close-up showing Flex Tip and Interlock band

Specifications

BrandHornady
LineCritical Duty
Caliber10mm Auto
Bullet Weight175 Grain
Bullet TypeFlexLock (Jacketed Hollow Point)
Muzzle Velocity1,160 fps
Muzzle Energy523 ft-lbs
Case TypeNickel-Plated Brass
Primer TypeBoxer, Non-Corrosive
Rounds Per Box20
SKU / Item #91256
ApplicationDuty / Personal Defense

Frequently Asked Questions

How does the FlexLock bullet differ from standard hollow point defensive rounds?

The Hornady FlexLock bullet combines two key technologies: a Flex Tip insert that initiates reliable expansion even after the hollow point cavity becomes clogged with barrier material, and an Interlock band that mechanically locks the jacket to the lead core. Together, these features ensure the bullet expands predictably and retains maximum weight after passing through barriers like auto glass, drywall, plywood, or heavy clothing — scenarios where conventional hollow points often fail to expand or suffer core-jacket separation.

What 10mm pistols is this ammunition compatible with?

Hornady Critical Duty 10mm 175 Grain is compatible with any firearm chambered in 10mm Auto, including popular platforms such as the Glock 20 and 29, Springfield Armory XDM, Colt Delta Elite, Dan Wesson, and Smith & Wesson models. Always verify your firearm's recommended pressure ratings and consult your owner's manual, but this load is designed to SAAMI specifications and functions reliably in all standard 10mm semi-automatic pistols.

Is Hornady Critical Duty suitable for everyday carry, or is it primarily a duty round?

While the Critical Duty line is optimized for full-size duty pistols and meets FBI protocol testing standards, it is an excellent choice for any 10mm carrier who prioritizes maximum barrier penetration and terminal performance. Shooters who prefer a compact 10mm for everyday carry may want to consider Hornady Critical Defense as an alternative, which is tuned for shorter barrels. For full-size 10mm platforms, Critical Duty offers superior real-world performance in complex threat scenarios.

Caliber:
10MM
Bullet Weight:
175 GR
Bullet Type:
FlexLock Duty
Type:
Pistol Ammunition
Box Quantity:
20
Case Quantity:
200
Lead Free:
No