bolt-action | United States
| Caliber | .300 Winchester Magnum |
|---|---|
| Barrel | 508 mm (20.0 in) |
| Weight | 2903 g (102.4 oz, manufacturer figure) |
| Capacity | 3 rounds |
| Action | bolt-action |
| Manufacturer | Ruger |
| Country | United States |
The Ruger American Rifle Gen II .300 Win Mag is a bolt-action firearm chambered in .300 Winchester Magnum, built by Ruger in United States. From its 508 mm (20.0 in) barrel, Fiocchi 300 Win Magnum FMJ (165 gr FMJ) leaves the muzzle at about 3004 fps (916 m/s), adjusted from the 660 mm test barrel the figure was measured in. Zeroed at 100 m, the bullet drops 164 mm by 200 m with 1480 J (1092 ft-lb) left. At the muzzle that is enough to defeat Drywall, Plate Glass, Pine Wood, Brick, AR500 Steel and Kevlar NIJ IIIA. 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 | 705 m/s | 2655 J | 0.13 s |
| 200 m | -164 mm | 526 m/s | 1480 J | 0.29 s |
| 300 m | -694 mm | 387 m/s | 800 J | 0.51 s |
| 500 m | -4108 mm | 269 m/s | 387 J | 1.15 s |
Against a semi-infinite block of each material, with Fiocchi 300 Win Magnum FMJ at the muzzle. The verdict compares the depth reached against a realistic barrier thickness.
| Material | Verdict | Depth |
|---|---|---|
| Drywall (½") | ✓ Full penetration | 477 mm |
| Plate Glass (¼") | ✓ Full penetration | 41 mm |
| Pine Wood (1") | ✓ Full penetration | 466 mm |
| Brick (4") | ✓ Full penetration | 274 mm |
| AR500 Steel (⅜") | ✓ Full penetration | 11 mm |
| Kevlar NIJ IIIA | ✓ Full penetration | 20 mm |
| Load | Mass | Velocity | Type | BC (G1) |
|---|---|---|---|---|
| Black Hills Black Hills .300 Winchester Magnum 190gr Match OTM | 190 gr | 2900 fps (884 m/s) | BTHP | 0.533 |
| Black Hills Black Hills .300 Winchester Magnum 210gr ELD-X | 210 gr | 2800 fps (853 m/s) | BTHP | 0.625 |
| Buffalo Bore Buffalo Bore .300 Winchester Magnum 180gr Barnes TTSX | 180 gr | 3100 fps (945 m/s) | SP | 0.450 |
| Buffalo Bore Buffalo Bore .300 Winchester Magnum 200gr Spitzer SP | 200 gr | 2950 fps (899 m/s) | SP | 0.470 |
| Federal Federal Berger Hybrid Hunter, 300 Win Mag, 185 Grain, Berger Hybrid, 2950 fps | 185 gr | 2950 fps (899 m/s) | BTHP | 0.484 |
| Federal Federal ELD-X, 300 Win Mag, 200 Grain, ELD-X, 2860 fps | 200 gr | 2860 fps (872 m/s) | SP | 0.597 |
| Federal Federal Fusion Rifle, 300 Win Mag, 165 Grain, Fusion Soft Point, 3080 fps | 165 gr | 3080 fps (939 m/s) | SP | 0.449 |
| Federal Federal Fusion Rifle, 300 Win Mag, 180 Grain, Fusion Soft Point, 2960 fps | 180 gr | 2960 fps (902 m/s) | SP | 0.439 |
| Federal Federal Fusion Tipped Rifle, 300 Win Mag, 180 Grain, Fusion Tipped, 2950 fps | 180 gr | 2950 fps (899 m/s) | SP | 0.484 |
| Federal Federal Gold Medal Sierra MatchKing, 300 Win Mag, 190 Grain, Sierra Matchking Boat-Tail Hollow Point, 2900 fps | 190 gr | 2900 fps (884 m/s) | HP | 0.533 |
| Federal Federal Nosler Partition, 300 Win Mag, 180 Grain, Nosler Partition, 2960 fps | 180 gr | 2960 fps (902 m/s) | SP | 0.439 |
| Federal Federal Power-Shok Copper Rifle, 300 Win Mag, 180 Grain, Copper HP, 2850 fps | 180 gr | 2850 fps (869 m/s) | HP | 0.484 |
| Federal Federal Power-Shok Rifle, 300 Win Mag, 150 Grain, Jacketed Soft Point, 3150 fps | 150 gr | 3150 fps (960 m/s) | SP | 0.389 |
| Federal Federal Power-Shok Rifle, 300 Win Mag, 180 Grain, Jacketed Soft Point, 2960 fps | 180 gr | 2960 fps (902 m/s) | SP | 0.439 |
| Federal Federal Swift Scirocco II, 300 Win Mag, 180 Grain, Swift Scirocco, 2960 fps | 180 gr | 2960 fps (902 m/s) | SP | 0.439 |
| Federal Federal Terminal Ascent, 300 Win Mag, 175 Grain, Terminal Ascent, 3030 fps | 175 gr | 3030 fps (924 m/s) | SP | 0.575 |
| Federal Federal Terminal Ascent, 300 Win Mag, 200 Grain, Terminal Ascent, 2810 fps | 200 gr | 2810 fps (857 m/s) | SP | 0.608 |
| Federal Federal Trophy Bonded Tip, 300 Win Mag, 165 Grain, Trophy Bonded Tip, 3050 fps | 165 gr | 3050 fps (930 m/s) | SP | 0.503 |
| Federal Federal Trophy Bonded Tip, 300 Win Mag, 180 Grain, Trophy Bonded Tip, 2960 fps | 180 gr | 2960 fps (902 m/s) | SP | 0.439 |
| Federal Federal Trophy Copper, 300 Win Mag, 165 Grain, Trophy Copper, 3050 fps | 165 gr | 3050 fps (930 m/s) | HP | 0.503 |
84 loads available in .300 Winchester Magnum; 20 shown.