GE / ED.0674 · Available · New modular service-pistol launch · full-size configuration
CZ
DUTY 4.0F
CZ identifies the 4.0F as the full-size DUTY configuration with 17- and 19-round magazines. It shares the serialized modular chassis, fully ambidextrous controls, direct-mount optics interface and three-stage safety architecture. CZ does not publish an exact SKU or UPC in the checked release. The linked Guns.com review covers both grip lengths but does not separately review every manual-safety or grip-module package.
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Curated pairing
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Ammunition is matched by chambering and intended use, with defensive handgun loads favored over novelty or pest-control cartridges. The knife is selected as a functional and visual companion. Always confirm the exact firearm and ammunition markings before use.
AmmunitionUnderwood Ammo
Xtreme Defender Platinum Edition
9mm Luger · 90 gr · 20 roundsOpen record ↗
KnifeVideo and review file
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Links are checked for model and caliber. A platform review is never presented as a review of the collectible finish or distributor treatment.
Guns.com
Heavy Duty, Easy Swap: Meet the new Modular CZ Duty Series
Independently reviews the compact and full-size CZ DUTY family, including the 17+1 full-size configuration. It does not separately test every grip module or magazine package.Link checked Oct. 7, 2026Watch or read ↗Continue the archive
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What is the CZ DUTY 4.0F?
The DUTY 4.0F is cataloged by Gun Editions as a new modular service-pistol launch · full-size configuration from CZ, chambered in 9mm Luger. Its recorded status is available, its original price is $729, its production run is standard catalog launch · production quantity not published, and its documented sell-through is not publicly documented.