rifle · bolt-action | Czech Republic
| Caliber | .17 HMR |
|---|---|
| Barrel | 521 mm (20.5 in) |
| Weight | 3005 g (106.0 oz, manufacturer figure) |
| Capacity | 5 rounds |
| Action | bolt-action |
| Manufacturer | CZ |
| Country | Czech Republic |
The CZ 457 Varmint .17 HMR is a bolt-action rifle chambered in .17 HMR, built by CZ in Czech Republic. From its 521 mm (20.5 in) barrel, CCI A17 Varmint Tip (17 gr FMJ) leaves the muzzle at about 2650 fps (808 m/s). Zeroed at 100 m, the bullet drops 261 mm by 200 m with 92 J (68 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 100 m, 15 °C, sea level, no wind.
| Distance | Drop | Velocity | Energy | Time |
|---|---|---|---|---|
| 100 m | 0 mm | 584 m/s | 188 J | 0.15 s |
| 200 m | -261 mm | 409 m/s | 92 J | 0.35 s |
| 300 m | -1124 mm | 310 m/s | 53 J | 0.64 s |
| 500 m | -6279 mm | 234 m/s | 30 J | 1.39 s |
Against a semi-infinite block of each material, with CCI A17 Varmint Tip at the muzzle. The verdict compares the depth reached against a realistic barrier thickness.
| Material | Verdict | Depth |
|---|---|---|
| Drywall (½") | ✓ Full penetration | 280 mm |
| Plate Glass (¼") | ✓ Full penetration | 12 mm |
| Pine Wood (1") | ✓ Full penetration | 151 mm |
| Brick (4") | ✗ Stopped | 83 mm |
| AR500 Steel (⅜") | ✗ Stopped | 3 mm |
| Kevlar NIJ IIIA | ✗ Stopped | 5 mm |
| Load | Mass | Velocity | Type | BC (G1) |
|---|---|---|---|---|
| Aguila Aguila .17 HMR 17gr Polymer Tip | 17 gr | 2550 fps (777 m/s) | FMJ | 0.125 |
| CCI CCI .17 HMR 16gr TNT Green HP | 16 gr | 2500 fps (762 m/s) | HP | 0.115 |
| CCI CCI .17 HMR 17gr A17 Varmint Tip | 17 gr | 2650 fps (808 m/s) | FMJ | 0.125 |
| CCI CCI .17 HMR 17gr TNT JHP | 17 gr | 2550 fps (777 m/s) | HP | 0.125 |
| CCI CCI .17 HMR 17gr VNT Polymer Tip | 17 gr | 2650 fps (808 m/s) | HP | 0.125 |
| CCI CCI .17 HMR 20gr GamePoint JSP | 20 gr | 2375 fps (724 m/s) | SP | 0.125 |
| Federal Federal BYOB, 17 HMR, 17 Grain, Jacketed Hollow Point, 2530 fps | 17 gr | 2530 fps (771 m/s) | HP | 0.110 |
| Federal Federal Varmint & Predator Hornady V-Max, 17 HMR, 17 Grain, V-Max®, 2530 fps | 17 gr | 2530 fps (771 m/s) | HP | 0.110 |
| Federal Federal Varmint & Predator Speer TNT, 17 HMR, 17 Grain, Speer TNT Jacketed Hollow Point, 2530 fps | 17 gr | 2530 fps (771 m/s) | HP | 0.115 |
| Remington Remington .17 HMR 17gr AccuTip-V | 17 gr | 2550 fps (777 m/s) | HP | 0.125 |
| Winchester Winchester 17 HMR 15.5gr Polymer Tip Varmint LF | 16 gr | 2550 fps (777 m/s) | HP | 0.115 |
| Winchester Winchester 17 HMR 17gr Polymer Tip BPR Performance Rimfire | 17 gr | 2550 fps (777 m/s) | HP | 0.125 |
| Winchester Winchester 17 HMR 17gr Polymer Tip Varmint HV | 17 gr | 2550 fps (777 m/s) | HP | 0.125 |
| Winchester Winchester 17 HMR 20gr Jacketed Hollow Point Super X | 20 gr | 2375 fps (724 m/s) | HP | 0.130 |
14 loads available in .17 HMR.