Prvi Partizan PPU GROM (Thunder) Line 7×57 (7mm Mauser) 158Gr GTB 20 Round Box


Availability: 1 in stock

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.



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


Test Barrel Length (mm) 610


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


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

Additional Information:

Catalog Article Number A-396
Distributor Item Number A396


Manufacturers, importers, suppliers, and distributors may make changes to their products without fanfare. Such changes can lead to discrepancies between the advertised product and the actual product in inventory. While International Shooting Supplies Ltd. endeavors to correctly describe the actual product in inventory, we will not be responsible for unintentional inaccuracies in text and images of the advertised product.



7×57 Mauser


Prvi Partisan

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