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1-800-338-3220
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1-800-338-3220
BARRIER BLIND PERFORMANCE
Building on the success of Flex Tip® technology in 
Hornady® LEVERevolution® and Critical Defense® 
personal protection ammunition, the rugged 
FlexLock® bullet and Critical Duty® pistol ammunition 
is the culmination of a decade of ballistic research 
and development.
The patented Hornady® Flex Tip® design eliminates 
clogging and aids bullet expansion. A large mechanical 
jacket-to-core InterLock® band works to keep the bullet and core from 
separating for maximum weight retention, excellent expansion and consistent 
penetration and terminal performance through all FBI test barriers.
The FlexLock® is an “intelligent bullet” that reacts differently depending on the 
barrier it encounters, delivering “barrier blind” performance after penetrating 
urban barriers such as plywood, sheet metal and even auto glass.
Bright nickel plated cases eliminate cartridge case tarnish. The highly 
visible silver nickel simplifies chamber checks in reduced light. Additionally, 
waterproofing sealant has been applied to the primer pocket and case mouth 
to prevent moisture intrusion. All Critical Duty® ammunition is loaded with low 
flash propellant to help preserve night vision in low-light firing.
For the ultimate in tactical terminal ballistic performance through all FBI 
established urban barriers, choose Critical Duty® ammunition.
Hornady currently has an Indefinite Delivery/Indefinite Quantity (IDIQ) contract 
with the FBI to provide Critical Duty,® Training, and Frangible ammunition.
CRITICAL DUTY®
U.S. Patent Nos. 8,161,885; 8,413,587; 9,121,677
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