OCC 105 F3 HEAT-FS

OCC 105 F3 is a French 105×527R HEAT-FS round documented as ammunition for the AMX-10RC's GIAT 105 mm F2 gun. Reference tables list it with a 13.85 kg cartridge weight, 5.7 kg projectile weight, and 1,120 m/s muzzle velocity, with quoted penetration above 350 mm at 0 degrees.

OCC 105 F3 HEAT-FS, 105×527R HEAT-FS round, Munitions

Image source: File:105 mm hollow charge shell.JPG

Profile

Origin: France
Built by: GIAT Industries
Type: 105×527R HEAT-FS round
Service note: Late Cold War French ammunition

ammunition anti-tankheat-fs105 mm france

Specifications

Caliber: 105×527R
Round weight: 13.85 kg
Projectile weight: 5.7 kg
Muzzle velocity: 1,120 m/s
Penetration: >350 mm of RHA at 0°; 150 mm at 60°
Maximum aimed range: 1,300 m

Service And Conflict Use

Service History

In service: HEAT-FS ammunition for the AMX-10RC F2 gun

Firing Weapon

French references list OCC 105 F3 among the 105×527R rounds fired by the AMX-10RC's GIAT 105 mm F2 gun.

Firing weapon

Weapon type

Firing evidence

Wheeled armored reconnaissance vehicle

Wikipedia and Fandom list OCC 105 F3 in the AMX-10RC ammunition table, and the French TTA 207 manual names OCC 105 F3 among the 105 mm rounds for the AMX10 RCR's 105-F2 gun.

Sources: AMX-10 RC - Wikipedia, AMX-10 RC - Military Wiki | Fandom, TTA 207 AMX10 RCR

OCC 105 F3 HEAT-FS Images

OCC 105 F3 HEAT-FS, 105×527R HEAT-FS round, Munitions - view 1 — Source: File:105 mm hollow charge shell.JPG

OCC 105 F3 HEAT-FS, 105×527R HEAT-FS round, Munitions - view 2 — Source: File:Tir en neige d'AMX-10 RC.jpg

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Sources

Worldwide Equipment GuidePublisher: U.S. Army | Note: Supports the French Giat designation, the 1,300 m maximum aimed range, and the 100 mm penetration figure at 70 degrees. | Accessed: 2026-06-23 AMX-10 RC - WikipediaPublisher: Wikipedia | Note: Supports the OCC 105 F3 designation, the AMX-10RC ammunition table, and the listed round weight, projectile weight, muzzle velocity, and penetration values. | Accessed: 2026-06-23 AMX-10 RC - Military Wiki | FandomPublisher: Fandom | Note: Supports the OCC 105 F3 designation and the AMX-10RC ammunition table naming the round among the F2 gun's 105×527R ammunition types. | Accessed: 2026-06-23 TTA 207 AMX10 RCRPublisher: Armee de terre francaise | Note: Supports the AMX10 RCR 105 mm F2 gun and lists OCC 105 F3 among the fin-stabilized ammunition types for that weapon. | Accessed: 2026-06-23 File:105 mm hollow charge shell.JPGPublisher: Wikimedia Commons | Note: Image provenance and licensing page for the primary representative 105 mm hollow charge shell image used on this page. | Accessed: 2026-06-23 File:Tir en neige d'AMX-10 RC.jpgPublisher: Wikimedia Commons | Note: Image provenance and licensing page for the secondary gallery image showing an AMX-10RC firing a 105 mm round. | Accessed: 2026-06-23