Hornady Critical Duty 10mm Auto 175 gr FlexLock is a purpose-built handgun cartridge developed to address barrier performance needs for users who employ full-size service pistols for personal protection or duty use. The FlexLock bullet combines a polymer FlexTip with Hornady’s InterLock jacket-to-core band to promote consistent expansion and weight retention after passing through common urban barriers. Cases are nickel-plated to resist corrosion and to simplify chamber checks in low-light conditions. Listed ballistic data for this load includes a muzzle velocity of 1160 fps and a muzzle energy of 523 ft·lb as provided by the manufacturer.
Key Specifications
- The caliber is 10mm Auto.
- The bullet weight is 175 grains.
- The bullet type is FlexLock (polymer-tipped).
- The listed muzzle velocity is 1160 fps.
- The listed muzzle energy is 523 ft·lb.
- The case material is nickel-plated brass.
- The series/model is Critical Duty.
- Key design features include a FlexTip and InterLock band for reliable expansion and jacket-to-core retention.
Intended for users who prioritize dependable feeding and consistent barrier performance, this Hornady Critical Duty load pairs modern projectile design with corrosion-resistant cases and carefully controlled propellant to support reliable operation in full-size handguns. The combination of FlexTip and InterLock technology offers a focused option for defensive-oriented shooters seeking an engineered, law-enforcement–grade ammunition choice.
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