7.62×51mm CETME

The 7.62×51mm CETME round is a variant of the 7.62×51mm NATO rifle cartridge with a plastic-cored lead bullet and a reduced propellant charge. The 7.62×51mm CETME is otherwise identical to the NATO standard. It was produced as a joint venture by the Spanish Government design and development establishment known as CETME (Centro de Estudios Técnicos de Materiales Especiales, or "Center for Technical Studies of Special Materials") and the German arms manufacturer Heckler & Koch.

7.62×51mm CETME
TypeRifle
Place of originFrancoist Spain
Service history
In service1955–1988
Used bySpain
Production history
DesignerCETME
Designed1953
Specifications
Parent case7.62×51mm NATO
Case typeRimless, Bottleneck
Bullet diameter7.82 mm (0.308 in)
Neck diameter8.77 mm (0.345 in)
Shoulder diameter11.53 mm (0.454 in)
Base diameter11.94 mm (0.470 in)
Rim diameter12.01 mm (0.473 in)
Rim thickness1.27 mm (0.050 in)
Case length51.18 mm (2.015 in)
Overall length69.85 mm (2.750 in)
Primer typeLarge Rifle
Ballistic performance
Bullet mass/type Velocity Energy
113 gr (7 g) FMJ 2,600 ft/s (790 m/s) 1,695.81 ft⋅lbf (2,299.21 J)
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