.600 Overkill

{{Short description|Rifle cartridge}}

{{Multiple issues|

{{more citations needed|date=January 2013}}

{{Notability|Product|date=June 2022}}

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{{Use dmy dates|date=December 2023}}

{{Infobox firearm cartridge

|name=.600 Overkill

|image=

|caption=

|origin=United States

|type=Hunting, rifle

|service=

|used_by=

|wars=

|designer=Robert Garnick

|design_date=2000Cary, D. (2020, August 29). 600 overkill? anyone.. AfricaHunting.com. https://www.africahunting.com/threads/600-overkill-anyone.57753/page-2

|manufacturer=

|production_date=

|number=

|variants=

|is_SI_specs=yes

|parent=None

|case_type=Belted, straight

|bullet=15.7

|neck=16.4

|shoulder=16.4

|base=16.7

|rim_dia=16.3

|rim_thick=1.5

|case_length=76

|length=93

|case_capacity=196.6

|rifling=

|primer= Magnum large rifle

|max_pressure=

|max_cup=

|filling=

|filling_weight=

|detonation=

|yield=

|is_SI_ballistics=no

|bwunit=

|bw1=1000

|btype1=FMJ

|vel1= 2,500 ft/s (747 m/s)

|en1= 13,877 ft⋅lbf (18,814 J)

|bw2=1000

|btype2=Solid brass

|vel2=3200 ft/s (914.4 m/s)

|en2= ft lbs (27,092 J)

|bw3=

|btype3=

|vel3=

|en3=

|bw4=

|btype4=

|vel4=

|en4=

|bw5=

|btype5=

|vel5=

|en5=

|test_barrel_length=

|balsrc= 470MBogo

}}

The .600 Overkill is a hunting cartridge designed to fit the CZ-550 action, by American Hunting Rifles.