Hornady Critical Duty 357 SIG 135 gr FlexLock Ammo

Hornady Critical Duty .357 Sig 135 gr FlexLock is law-enforcement–grade handgun ammunition engineered for consistent performance through common urban barriers. The FlexLock bullet pairs a polymer FlexTip with a heavy-duty InterLock jacket-to-core band to promote reliable expansion and high weight retention. Nickel-plated brass cases and low-flash propellant support reliable feeding and reduced visible flash in low-light conditions. This load is geared toward shooters who prioritize barrier-resistant defensive performance and rugged, consistent manufacturing standards.

Key Specifications

• The cartridge is chambered in .357 Sig.
• The bullet weight is 135 grains.
• The projectile uses a FlexLock polymer-tipped design with an InterLock jacket-to-core band.
• The reported muzzle velocity is approximately 1225 fps.
• The reported muzzle energy is approximately 450 ft·lbs.
• The cases are made from nickel-plated brass.
• There are 10 boxes per case as listed in the supplied attributes.
• The supplied data lists 200 rounds per case.
• The ammunition series is listed as FlexLock / Critical Duty.
• The listed application is Home Defense.

Critical Duty FlexLock ammunition is built to deliver consistent, barrier-capable performance with features intended to support reliable feeding and weight retention. Its combination of a polymer FlexTip, InterLock band and nickel-plated cases reflects Hornady’s focus on consistent terminal and feeding behavior under real-world conditions. For shooters seeking a defensively oriented, barrier-tested loading from a major manufacturer, this offering provides a clear specification set and law-enforcement–grade design elements.

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