rifle · semi-auto | Poland
| Caliber | 7.62×39mm |
|---|---|
| Barrel | 254 mm (10.0 in) |
| Weight | 2676 g (94.4 oz, manufacturer figure) |
| Capacity | 30 rounds |
| Action | semi-auto |
| Manufacturer | WBP |
| Country | Poland |
The WBP Mini Jack Pistol is a semi-auto rifle chambered in 7.62×39mm, built by WBP in Poland. From its 254 mm (10.0 in) barrel, Hornady 7.62x39 FMJ Frontier® (123 gr FMJ) leaves the muzzle at about 2432 fps (741 m/s), adjusted from the 415 mm test barrel the figure was measured in. Zeroed at 100 m, the bullet drops 204 mm by 200 m with 1168 J (861 ft-lb) left. At the muzzle that is enough to defeat Drywall, Plate Glass, Pine Wood and Brick, and not enough for AR500 Steel and Kevlar NIJ IIIA. It feeds from a 30-round magazine.
Computed by the BallisticEngine engine for this barrel length, zeroed at 100 m, 15 °C, sea level, no wind.
| Distance | Drop | Velocity | Energy | Time |
|---|---|---|---|---|
| 100 m | 0 mm | 637 m/s | 1615 J | 0.15 s |
| 200 m | -204 mm | 541 m/s | 1168 J | 0.32 s |
| 300 m | -748 mm | 457 m/s | 832 J | 0.52 s |
| 500 m | -3439 mm | 337 m/s | 451 J | 1.03 s |
Against a semi-infinite block of each material, with Hornady 7.62x39 FMJ Frontier® at the muzzle. The verdict compares the depth reached against a realistic barrier thickness.
| Material | Verdict | Depth |
|---|---|---|
| Drywall (½") | ✓ Full penetration | 428 mm |
| Plate Glass (¼") | ✓ Full penetration | 29 mm |
| Pine Wood (1") | ✓ Full penetration | 354 mm |
| Brick (4") | ✓ Full penetration | 187 mm |
| AR500 Steel (⅜") | ✗ Stopped | 5 mm |
| Kevlar NIJ IIIA | ✗ Stopped | 10 mm |
| Load | Mass | Velocity | Type | BC (G1) |
|---|---|---|---|---|
| Aguila Aguila 7.62×39mm 123gr FMJ | 123 gr | 2350 fps (716 m/s) | FMJ | 0.275 |
| Federal Federal American Eagle Rifle, 7.62x39, 124 Grain, Full Metal Jacket, 2350 fps | 124 gr | 2350 fps (716 m/s) | FMJ | 0.274 |
| Federal Federal Power-Shok Rifle, 7.62x39, 123 Grain, Jacketed Soft Point, 2350 fps | 123 gr | 2350 fps (716 m/s) | SP | 0.274 |
| Fiocchi Fiocchi 7.62x39mm Soviet 123gr Full Metal Jacket | 123 gr | 2375 fps (724 m/s) | FMJ | 0.420 |
| GECO GECO 7.62×39mm 124gr FMJ | 124 gr | 2330 fps (710 m/s) | FMJ | 0.275 |
| Hornady Hornady 7.62 x 39mm 123 gr HP Match™ American Gunner® | 123 gr | 2360 fps (719 m/s) | BTHP | 0.260 |
| Hornady Hornady 7.62X39 111 gr Monoflex® Hornady BLACK® | 111 gr | 2349 fps (716 m/s) | SP | 0.175 |
| Hornady Hornady 7.62x39 123 gr FMJ Frontier® | 123 gr | 2580 fps (786 m/s) | FMJ | 0.266 |
| Hornady Hornady 7.62x39 123 gr SST® Hornady BLACK® | 123 gr | 2360 fps (719 m/s) | SP | 0.295 |
| Hornady Hornady 7.62X39 255 gr Sub-X® Subsonic | 255 gr | 1050 fps (320 m/s) | HP | 0.365 |
| PMP PMP 7.62×39mm 123gr FMJ | 123 gr | 2350 fps (716 m/s) | FMJ | 0.275 |
| PPU PPU 7.62×39mm 123gr FMJ | 123 gr | 2350 fps (716 m/s) | FMJ | 0.275 |
| PPU PPU 7.62×39mm 123gr SP | 123 gr | 2350 fps (716 m/s) | SP | 0.275 |
| S&B S&B 124.0gr FMJ SB76239A | 123 gr | 2907 fps (886 m/s) | FMJ | 0.183 |
| S&B S&B 124.0gr SP SB76239B | 123 gr | 2943 fps (897 m/s) | SP | 0.183 |
| S&B S&B 200.0gr SB762SUBB | 201 gr | 762 fps (232 m/s) | FMJ | 0.301 |
| Winchester Winchester 7.62 x 39mm 123gr Extreme Point Deer Season XP | 123 gr | 2380 fps (725 m/s) | HP | 0.304 |
| Winchester Winchester 7.62 x 39mm 123gr Full Metal Jacket USA | 123 gr | 2355 fps (718 m/s) | FMJ | 0.245 |
| Winchester Winchester 7.62 x 39mm 123gr Power-Point Power-Point | 123 gr | 2365 fps (721 m/s) | SP | 0.244 |
19 loads available in 7.62×39mm.