rifle · bolt-action | Czech Republic
| Caliber | 8×57mm JS |
|---|---|
| Barrel | 589 mm (23.2 in) |
| Weight | 4173 g (147.2 oz, manufacturer figure) |
| Capacity | 5 rounds |
| Action | bolt-action |
| Cyclic rate | 15 rpm |
| Manufacturer | CZ |
| Country | Czech Republic |
The CZ Vz.24 Mauser is a bolt-action rifle chambered in 8×57mm JS, built by CZ in Czech Republic. From its 589 mm (23.2 in) barrel, S&B FMJ SB857JSA (196 gr FMJ) leaves the muzzle at about 857 fps (261 m/s). Zeroed at 25 m, the bullet drops 53 mm by 50 m with 408 J (301 ft-lb) left. At the muzzle that is enough to defeat Drywall, Plate Glass and Pine Wood, and not enough for Brick, AR500 Steel and Kevlar NIJ IIIA. It feeds from a 5-round magazine.
Computed by the BallisticEngine engine for this barrel length, zeroed at 25 m, 15 °C, sea level, no wind.
| Distance | Drop | Velocity | Energy | Time |
|---|---|---|---|---|
| 25 m | 0 mm | 257 m/s | 420 J | 0.10 s |
| 50 m | -53 mm | 254 m/s | 408 J | 0.20 s |
| 100 m | -447 mm | 246 m/s | 385 J | 0.40 s |
| 150 m | -1246 mm | 240 m/s | 364 J | 0.60 s |
Against a semi-infinite block of each material, with S&B FMJ SB857JSA at the muzzle. The verdict compares the depth reached against a realistic barrier thickness.
| Material | Verdict | Depth |
|---|---|---|
| Drywall (½") | ✓ Full penetration | 300 mm |
| Plate Glass (¼") | ✓ Full penetration | 16 mm |
| Pine Wood (1") | ✓ Full penetration | 151 mm |
| Brick (4") | ✗ Stopped | 78 mm |
| AR500 Steel (⅜") | ✗ Stopped | 1 mm |
| Kevlar NIJ IIIA | ✗ Stopped | 2 mm |
| Load | Mass | Velocity | Type | BC (G1) |
|---|---|---|---|---|
| Federal Federal Power-Shok Rifle, 8mm Mauser, 170 Grain, Jacketed Soft Point, 2250 fps | 170 gr | 2250 fps (686 m/s) | SP | 0.354 |
| GECO GECO 8×57mm JS 170gr Express Tip | 170 gr | 2559 fps (780 m/s) | SP | 0.370 |
| GECO GECO 8×57mm JS 196gr Plus SP | 196 gr | 2395 fps (730 m/s) | SP | 0.340 |
| Hornady Hornady 8x57 JS (IS) 180 gr ECX™ Hornady International™ | 180 gr | 3200 fps (975 m/s) | SP | 0.257 |
| Hornady Hornady 8x57 JS 195 gr SP Custom International™ | 195 gr | 2500 fps (762 m/s) | SP | 0.410 |
| Hornady Hornady 8x57 JS 196gr BTHP Vintage Match™ | 196 gr | 2500 fps (762 m/s) | BTHP | 0.525 |
| Kynoch Kynoch 8×57mm JS 196gr SP | 196 gr | 2500 fps (762 m/s) | SP | 0.321 |
| Lapua Lapua 8×57mm JS 120gr Open Tip | 120 gr | 3084 fps (940 m/s) | BTHP | 0.248 |
| Lapua Lapua 8×57mm JS 180gr Naturalis | 181 gr | 2690 fps (820 m/s) | SP | 0.357 |
| Norma Norma 8×57mm JS 196gr Alaska | 196 gr | 2461 fps (750 m/s) | SP | 0.321 |
| Norma Norma 8×57mm JS 196gr Oryx | 196 gr | 2461 fps (750 m/s) | SP | 0.321 |
| Norma Norma 8×57mm JS 196gr Soft Point | 196 gr | 2461 fps (750 m/s) | SP | 0.321 |
| Norma Norma 8×57mm JS 196gr Vulkan | 196 gr | 2461 fps (750 m/s) | SP | 0.330 |
| PMP PMP 8×57mm JS 196gr ProAmm SP | 196 gr | 2460 fps (750 m/s) | SP | 0.321 |
| PPU PPU 8×57mm JS 196gr BTHP Match | 196 gr | 2460 fps (750 m/s) | BTHP | 0.321 |
| PPU PPU 8×57mm JS 196gr SP | 196 gr | 2460 fps (750 m/s) | SP | 0.321 |
| Remington Remington 8×57mm JS 196gr Core-Lokt SP | 196 gr | 2500 fps (762 m/s) | SP | 0.321 |
| RWS RWS 8×57mm JS 181gr Evolution | 181 gr | 2559 fps (780 m/s) | SP | 0.380 |
| RWS RWS 8×57mm JS 198gr H-Mantel SP | 198 gr | 2428 fps (740 m/s) | SP | 0.340 |
| S&B S&B 196.0gr FMJ SB857JSA | 196 gr | 857 fps (261 m/s) | FMJ | 0.268 |
22 loads available in 8×57mm JS; 20 shown.