GGG .308 WIN DESIGN GPX12
Technical specification
Caliber -

.308 Win

Bullet type type

HPBT

Bullet weight g

10,04

gr

155

Total length mm

71,12 - 0,40

Bullet extraction N

≥50

Bullet material -

Jacket – CuZn5; Core – lead antimony (3%)

Case material -

CuZn30

Case length mm

51,18 - 0,38

Propellant -

Double base 

Total weight g

24,84±1,00

Primer -

BOXER

Ballistic properties
Bullet average velocity values. shooting from C.I.P. testing barrel
PARAMETER BULLET MEAN VELOCITY m/s
Bullet mean velocity, m/s, barrel length 600 mm, twist 11“  860 ± 7
Velocity maximum standard deviation 7,2
PARAMETERS
 
RANGE
0 100 200 300 400 500
Velocity (m/s) 860 790 725 660 600 545
Bullet path (cm) - 0 -16 -50 -107 -191
Energy (J) 3715 3145 2640 2200 1820 1495
Ballistic coefficient 0.450

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