HSM Cowboy Action .44 Rem Mag 240gr Semi Wadcutter (SWC) Ammo Ballistics
Brass Case • SWC
HSM Cowboy Action .44 Rem Mag 240gr Semi Wadcutter (SWC) Ammo Ballistics
Brass Case • SWC
Solved from this product's advertised 1150 fps, 240gr bullet and G1 BC 0.165, with the sight 0.5" over the bore at standard conditions. Compare every zero for .44 Magnum.
How to read it: filled circles are the near and far zero, where the bullet's path crosses the line of sight;the triangle is the peak (max ordinate). The shaded band is the 4" vital zone, ±2" either side of the line of sight. The dashed line marks the edge of the hold-dead-on window. The chart is zoomed to where the zero matters; the tables below run to 100 yards.
.44 Magnum 240gr with a 10-yard zero
Zeroed at 10 yards with a 0.5" sight height, this load crosses the line of sight at 10 and 35 yards, peaks +0.2" at 23 yards, and is -0.9" at 50 and -9.1" at 100 yards.
| Range (yd) | Drop (in) | Drop (MOA) | Drop (MIL) | Velocity (fps) | Energy (ft-lb) | Wind drift, 10 mph (in) |
|---|---|---|---|---|---|---|
| 0 | -0.5" | 0.00 | 0.00 | 1,150 | 705 | 0.1 |
| 5 | -0.2" | -3.95 | -1.15 | 1,139 | 691 | 0.1 |
| 10 | 0.0" | -0.05 | -0.01 | 1,128 | 678 | 0.1 |
| 15 | +0.1" | +0.85 | +0.25 | 1,118 * | 666 | 0.2 |
| 20 | +0.2" | +0.98 | +0.28 | 1,108 * | 655 | 0.3 |
| 25 | +0.2" | +0.78 | +0.23 | 1,099 * | 643 | 0.4 |
| 30 | +0.1" | +0.43 | +0.12 | 1,089 * | 633 | 0.5 |
| 35 | 0.0" | -0.03 | -0.01 | 1,081 * | 622 | 0.6 |
| 40 | -0.2" | -0.54 | -0.16 | 1,072 * | 613 | 0.8 |
| 45 | -0.5" | -1.11 | -0.32 | 1,064 * | 603 | 0.9 |
| 50 | -0.9" | -1.70 | -0.50 | 1,056 * | 594 | 1.1 |
| 55 | -1.3" | -2.33 | -0.68 | 1,048 * | 585 | 1.4 |
| 60 | -1.9" | -2.97 | -0.86 | 1,040 * | 577 | 1.6 |
| 65 | -2.5" | -3.64 | -1.06 | 1,033 * | 569 | 1.8 |
| 70 | -3.2" | -4.32 | -1.26 | 1,026 * | 561 | 2.1 |
| 75 | -4.0" | -5.01 | -1.46 | 1,019 * | 553 | 2.4 |
| 80 | -4.8" | -5.72 | -1.66 | 1,012 * | 546 | 2.7 |
| 85 | -5.7" | -6.44 | -1.87 | 1,006 * | 539 | 3.0 |
| 90 | -6.8" | -7.17 | -2.09 | 999 * | 532 | 3.4 |
| 95 | -7.9" | -7.91 | -2.30 | 993 * | 526 | 3.7 |
| 100 | -9.1" | -8.66 | -2.52 | 987 * | 519 | 4.1 |
240gr G1 .165 at 1,150 fps, 0.5" sight height over bore, standard conditions (59°F, sea level), 10 mph full-value crosswind. Positive drop is above the line of sight. * Below the speed of sound (1125 fps) from 12 yards; expect groups to open up past the transition. Source: Manufacturer's advertised velocity and BC.
.44 Magnum 240gr with a 15-yard zero
Zeroed at 15 yards with a 0.5" sight height, this load crosses the line of sight at 15 and 24 yards, peaks +0.0" at 19 yards, and is -1.4" at 50 and -10.0" at 100 yards.
| Range (yd) | Drop (in) | Drop (MOA) | Drop (MIL) | Velocity (fps) | Energy (ft-lb) | Wind drift, 10 mph (in) |
|---|---|---|---|---|---|---|
| 0 | -0.5" | 0.00 | 0.00 | 1,150 | 705 | 0.1 |
| 5 | -0.3" | -4.81 | -1.40 | 1,139 | 691 | 0.1 |
| 10 | -0.1" | -0.91 | -0.26 | 1,128 | 678 | 0.1 |
| 15 | 0.0" | -0.01 | 0.00 | 1,118 * | 666 | 0.2 |
| 20 | +0.0" | +0.12 | +0.03 | 1,108 * | 655 | 0.3 |
| 25 | 0.0" | -0.07 | -0.02 | 1,099 * | 643 | 0.4 |
| 30 | -0.1" | -0.43 | -0.13 | 1,089 * | 633 | 0.5 |
| 35 | -0.3" | -0.89 | -0.26 | 1,081 * | 622 | 0.6 |
| 40 | -0.6" | -1.40 | -0.41 | 1,072 * | 613 | 0.8 |
| 45 | -0.9" | -1.97 | -0.57 | 1,064 * | 603 | 0.9 |
| 50 | -1.4" | -2.56 | -0.75 | 1,056 * | 594 | 1.1 |
| 55 | -1.8" | -3.19 | -0.93 | 1,048 * | 585 | 1.4 |
| 60 | -2.4" | -3.83 | -1.11 | 1,040 * | 577 | 1.6 |
| 65 | -3.1" | -4.50 | -1.31 | 1,033 * | 569 | 1.8 |
| 70 | -3.8" | -5.18 | -1.51 | 1,026 * | 561 | 2.1 |
| 75 | -4.6" | -5.87 | -1.71 | 1,019 * | 554 | 2.4 |
| 80 | -5.5" | -6.58 | -1.91 | 1,012 * | 546 | 2.7 |
| 85 | -6.5" | -7.30 | -2.12 | 1,006 * | 539 | 3.0 |
| 90 | -7.6" | -8.03 | -2.34 | 999 * | 532 | 3.4 |
| 95 | -8.7" | -8.77 | -2.55 | 993 * | 526 | 3.7 |
| 100 | -10.0" | -9.52 | -2.77 | 987 * | 519 | 4.1 |
240gr G1 .165 at 1,150 fps, 0.5" sight height over bore, standard conditions (59°F, sea level), 10 mph full-value crosswind. Positive drop is above the line of sight. * Below the speed of sound (1125 fps) from 12 yards; expect groups to open up past the transition. Source: Manufacturer's advertised velocity and BC.
.44 Magnum 240gr with a 25-yard zero
Zeroed at 25 yards with a 0.5" sight height, this load crosses the line of sight at 15 and 25 yards, peaks +0.0" at 20 yards, and is -1.3" at 50 and -9.9" at 100 yards.
| Range (yd) | Drop (in) | Drop (MOA) | Drop (MIL) | Velocity (fps) | Energy (ft-lb) | Wind drift, 10 mph (in) |
|---|---|---|---|---|---|---|
| 0 | -0.5" | 0.00 | 0.00 | 1,150 | 705 | 0.1 |
| 5 | -0.3" | -4.72 | -1.37 | 1,139 | 691 | 0.1 |
| 10 | -0.1" | -0.82 | -0.24 | 1,128 | 678 | 0.1 |
| 15 | +0.0" | +0.08 | +0.02 | 1,118 * | 666 | 0.2 |
| 20 | +0.0" | +0.21 | +0.06 | 1,108 * | 655 | 0.3 |
| 25 | 0.0" | +0.02 | 0.00 | 1,099 * | 643 | 0.4 |
| 30 | -0.1" | -0.34 | -0.10 | 1,089 * | 633 | 0.5 |
| 35 | -0.3" | -0.80 | -0.23 | 1,081 * | 622 | 0.6 |
| 40 | -0.6" | -1.31 | -0.38 | 1,072 * | 613 | 0.8 |
| 45 | -0.9" | -1.88 | -0.55 | 1,064 * | 603 | 0.9 |
| 50 | -1.3" | -2.47 | -0.72 | 1,056 * | 594 | 1.1 |
| 55 | -1.8" | -3.10 | -0.90 | 1,048 * | 585 | 1.4 |
| 60 | -2.4" | -3.74 | -1.09 | 1,040 * | 577 | 1.6 |
| 65 | -3.0" | -4.41 | -1.28 | 1,033 * | 569 | 1.8 |
| 70 | -3.7" | -5.09 | -1.48 | 1,026 * | 561 | 2.1 |
| 75 | -4.6" | -5.78 | -1.68 | 1,019 * | 554 | 2.4 |
| 80 | -5.5" | -6.49 | -1.89 | 1,012 * | 546 | 2.7 |
| 85 | -6.4" | -7.21 | -2.10 | 1,006 * | 539 | 3.0 |
| 90 | -7.5" | -7.94 | -2.31 | 999 * | 532 | 3.4 |
| 95 | -8.7" | -8.68 | -2.53 | 993 * | 526 | 3.7 |
| 100 | -9.9" | -9.43 | -2.74 | 987 * | 519 | 4.1 |
240gr G1 .165 at 1,150 fps, 0.5" sight height over bore, standard conditions (59°F, sea level), 10 mph full-value crosswind. Positive drop is above the line of sight. * Below the speed of sound (1125 fps) from 12 yards; expect groups to open up past the transition. Source: Manufacturer's advertised velocity and BC.
Product Overview
HSM Cowboy Action 240-grain is a plain lead semi-wadcutter .44 Magnum load made for cowboy-action matches. The bullet is bare lead with a flat, stepped nose and no jacket. It leaves the muzzle at 1,150 fps with 705 ft-lbs.
From a 25-yard zero it sits 1.3 inches low at 50, where it is down to 1,056 fps with 594 ft-lbs.
If you're cross-shopping, Ammo Inc's Signature 240-grain TMC is the same bullet weight fully jacketed at 1,430 fps, 280 fps faster, and it recoils about 46 percent more in the same revolver. Its jacket covers the bullet completely, where this one is bare lead.
- A power factor of 276 clears the 165 USPSA major floor by 111
- Loses only 94 fps between the muzzle and 50 yards
- The milder of the two loads compared in the same revolver, on a bare lead semi-wadcutter
- Ammo Inc's Signature 240-grain TMC carries 385 more ft-lbs at the muzzle
- A bare lead bullet, which some indoor ranges do not allow
- 0.6 inch more drop at 50 yards than Ammo Inc's Signature 240-grain TMC from the same zero
Firearms Chambered in .44 Magnum
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