rifle · bolt-action | United States
| Caliber | .300 Weatherby Magnum |
|---|---|
| Barrel | 660 mm (26.0 in) |
| Weight | 3856 g (136.0 oz, manufacturer figure) |
| Capacity | 3 rounds |
| Action | bolt-action |
| Manufacturer | Weatherby |
| Country | United States |
The Weatherby Mark V Accumark .300 Wby is a bolt-action rifle chambered in .300 Weatherby Magnum, built by Weatherby in United States. From its 660 mm (26.0 in) barrel, Weatherby SP (180 gr SP) leaves the muzzle at about 3240 fps (988 m/s). Zeroed at 100 m, the bullet drops 79 mm by 200 m with 4121 J (3039 ft-lb) left. At the muzzle that is enough to defeat Drywall, Plate Glass, Pine Wood, Brick and Kevlar NIJ IIIA, and not enough for AR500 Steel. It feeds from a 3-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 | 912 m/s | 4851 J | 0.11 s |
| 200 m | -79 mm | 841 m/s | 4121 J | 0.22 s |
| 300 m | -296 mm | 773 m/s | 3486 J | 0.34 s |
| 500 m | -1256 mm | 648 m/s | 2446 J | 0.63 s |
Against a semi-infinite block of each material, with Weatherby SP at the muzzle. The verdict compares the depth reached against a realistic barrier thickness.
| Material | Verdict | Depth |
|---|---|---|
| Drywall (½") | ✓ Full penetration | 469 mm |
| Plate Glass (¼") | ✓ Full penetration | 41 mm |
| Pine Wood (1") | ✓ Full penetration | 461 mm |
| Brick (4") | ✓ Full penetration | 285 mm |
| AR500 Steel (⅜") | ✗ Stopped | 6 mm |
| Kevlar NIJ IIIA | ✓ Full penetration | 25 mm |
| Load | Mass | Velocity | Type | BC (G1) |
|---|---|---|---|---|
| Hornady Hornady 300 Wby Mag 180 gr. CX® Outfitter® | 180 gr | 3100 fps (945 m/s) | SP | 0.469 |
| Hornady Hornady 300 Weatherby Mag 200 gr ELD-X® Precision Hunter® | 200 gr | 2960 fps (902 m/s) | SP | 0.597 |
| Weatherby Weatherby .300 Weatherby Magnum 150gr SP | 150 gr | 3540 fps (1079 m/s) | SP | 0.380 |
| Weatherby Weatherby .300 Weatherby Magnum 165gr Nosler Partition | 165 gr | 3350 fps (1021 m/s) | SP | 0.475 |
| Weatherby Weatherby .300 Weatherby Magnum 180gr Barnes TTSX | 180 gr | 3240 fps (988 m/s) | SP | 0.420 |
| Weatherby Weatherby .300 Weatherby Magnum 180gr Nosler AccuBond | 180 gr | 3240 fps (988 m/s) | SP | 0.507 |
| Weatherby Weatherby .300 Weatherby Magnum 180gr SP | 180 gr | 3240 fps (988 m/s) | SP | 0.450 |
| Weatherby Weatherby .300 Weatherby Magnum 200gr SP | 200 gr | 3060 fps (933 m/s) | SP | 0.470 |
8 loads available in .300 Weatherby Magnum.