7x57 7mm Mauser 158gr GROM SP Hunting PRVI 20 Rounds

Analyzing your needs and wishes, we designed a new bullet type, Grom; a mostly of copper alloy bullet with a small lead core.  The research confirmed our efforts to offer you a high performance bullet type with an optimum balance of controlled and reliable expansion, deep penetration, maximum weight retention, good accuracy and satisfying energy.  GROM Line ammunition is intended for big game hunting.

Properties:

Bullet Type Grom Thunder (Heavy Jacket, Small Lead Core Pointed Soft Point)
Bullet Weight (g) 10.2
Bullet Diameter (in) 0.284
Sectional Density 0.28
Jacket Material Copper
Cartridge Cases Brass
Cartridge Headstamp PPU 7×57
Primer Size Large Rifle
+P Ammunition No
Commercial Spec CIP M Marked Box
Ballistics:

Test Barrel Length (mm) 610
Metric:

Velocity and Energy:

Distance (m) Muzzle 50 100 150 200 250 300
Velocity (m/s) 750 715 680 647 614 582 52
Energy (J) 2880 2614 2368 2141 1931 1736 1559
Trajectory:

Distance (y) Muzzle 50 100 150 200 250 300
Trajectory (cm) -5 1.7 3.5 0 -9.2 -24.6 -47.8