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.
Specs:
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 |
Additional Information:
| Catalog Article Number | A-396 |
| Distributor Item Number | A396 |
Disclaimer:
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.
