Brownells 75th Anniversary - A Shooting Heritage

Law enforcement and tactical professionals now have a truly advanced, 21st century handgun ammunition solution that delivers the most consistent and reliable urban barrier performance ever created! The proven Flex Tip® design of the FlexLock® bullet eliminates clogging and aids bullet expansion. Its large mechanical jacket-to-core InterLock® band works to keep the bullet and core from separating for maximum weight retention and proven terminal performance through all FBI test barriers.

You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition. All ammunition must be shipped Domestic Ground. Shipping not available for International, DC, and MA residents. Residents of CA, DE, IL, NY and OH, may have additional restrictions. Always make sure you use the correct ammunition for your firearms. Check your state and local laws for any other applicable firearms and ammunition regulations. Due to Department of Transportation regulations, we cannot accept returns on ammo. Please check local laws before ordering. View full restrictions here.

Ammunition pricing is per box.


.45 Auto +P 220gr Flexlock Critical Duty Ammo

·         Muzzle Velocity: 975 fps

·         Muzzle Energy: 464 ft-lbs

9mm 135gr Flexlock Critical Duty Ammo

·         Muzzle Velocity: 1010 fps

·         Muzzle Energy: 306 ft-lbs

9mm Luger +P 135gr Flexlock Critical Duty Ammo

·         Muzzle Velocity: 1110 fps

·         Muzzle Energy: 369 ft-lbs

.40 S&W 175gr Flexlock Critical Duty Ammo

·         Muzzle Velocity: 1010 fps

·         Muzzle Energy: 396 ft-lbs


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Cartridge: 45 Auto (ACP)

Bullet Weight (Grains): 220

Rounds: 20

Bullet Style: FlexLock

Brand Style: Critical Duty