The .35 Whelen, created by necking up the .30 06 Springfield case to accept a .358 caliber bullet, is traditionally known for heavy projectiles in the 200 grain to 250 grain range. However, the development of modern monolithic copper bullets such as the Barnes Tipped Triple Shock X (TTSX) has popularized lighter, 180 grain loads. These 180 grain bullets transform the .35 Whelen from a heavy brush cartridge into a flatter shooting option capable of high velocities and impressive downrange energy retention.
180 Grain .35 Whelen Factory Load Ballistics Table
The following table uses only verified, published data from factory ammunition makers as of September 2026. Where a manufacturer does not publish a specific figure, it is marked as “Not published” to maintain complete accuracy.
| Load | Bullet | Weight | Muzzle Velocity | Muzzle Energy | BC | 100 yd Velocity | 200 yd Velocity | 300 yd Velocity | 100 yd Energy | 200 yd Energy | 300 yd Energy |
| DoubleTap Safari Rifle | Barnes TTSX | 180 gr | 3000 fps | 3597 ft lbs | 0.295 | 2750 fps | 2513 fps | 2290 fps | 3021 ft lbs | 2524 ft lbs | 2096 ft lbs |
| Barnes VOR TX | Barnes TTSX FB | 180 gr | 2900 fps | 3362 ft lbs | 0.295 | Not published | Not published | Not published | Not published | Not published | Not published |
| Choice Ammunition | Barnes TTSX | 180 gr | 2890 fps | Not published | 0.295 | Not published | Not published | Not published | Not published | Not published | Not published |
| Choice Ammunition | Barnes TSX | 180 gr | 2812 fps | Not published | 0.193 | Not published | Not published | Not published | Not published | Not published | Not published |
Note: All data is drawn from manufacturer specifications. DoubleTap explicitly lists a 24.0 inch test barrel for their figures.
35 Whelen 180 Grain Ballistics Chart
Ballistic Analysis
Muzzle Velocity and Energy
The typical muzzle velocity for a 180 grain .35 Whelen factory load ranges from 2,812 fps to 3,000 fps depending on the specific loading. Because it uses the large case capacity of the .30 06 necked up to a .358 inch diameter, the cartridge easily pushes this lighter projectile to high speeds.
Muzzle energy for these loads is exceptionally high, typically sitting between 3,362 ft lbs and 3,597 ft lbs. This offers massive initial striking power right out of the barrel.
Downrange Performance (100, 200, and 300 Yards)
DoubleTap Ammunition provides detailed downrange specifications for their 180 grain load. At 100 yards, the bullet is still traveling at 2,750 fps and carrying over 3,000 ft lbs of energy. By 200 yards, velocity remains above 2,500 fps, preserving rapid expansion capabilities for copper bullets, while maintaining 2,524 ft lbs of energy. Even at 300 yards, the bullet moves at 2,290 fps with 2,096 ft lbs of energy, more than enough to cleanly harvest any North American big game animal.
DoubleTap also publishes a trajectory chart for a 200 yard zero:
- 100 yards: +1.6 inches high
- 200 yards: Zeroed
- 300 yards: 7.1 inches low
- 400 yards: 20.8 inches low
How Bullet Weight Affects Velocity, Energy, and Trajectory
The .35 Whelen is historically loaded with 200, 225, or 250 grain bullets. A 250 grain factory load often leaves the muzzle at roughly 2,400 to 2,500 fps. Dropping bullet weight to 180 grains allows manufacturers to increase the muzzle velocity by 400 to 500 fps over heavier choices. This higher velocity drastically flattens the trajectory, transforming the .35 Whelen from a short range brush gun into a rifle perfectly capable of shooting across clearcuts or open plains out to 300+ yards. The tradeoff is that lighter 180 grain bullets possess a lower Sectional Density (SD) and Ballistic Coefficient (BC) than 225 or 250 grain bullets, meaning they shed their velocity slightly faster over extreme distances.
The Impact of Bullet Design and Ballistic Coefficient
Because 180 grains is very light for a .358 caliber bullet, achieving aerodynamic efficiency can be challenging. Most 180 grain factory loads utilize monolithic copper bullets like the Barnes TSX or TTSX.
The standard flat nose or hollow point Barnes TSX has a relatively low Ballistic Coefficient (G1 BC of 0.193). To combat rapid velocity loss, the Barnes Tipped TSX (TTSX) adds a polymer tip that streamlines the projectile, bumping the G1 BC up to 0.295. This improvement allows the TTSX to cut through the air more efficiently, retaining much more speed and energy at 200 and 300 yards.
Hunting Applications
Most 180 grain .35 Whelen loads on the market are built entirely around the Barnes copper projectiles. Because monolithic copper bullets do not fragment like traditional lead core bullets, a 180 grain TTSX will consistently retain nearly 100% of its weight, penetrating as deeply as a much heavier lead bullet.
Manufacturers market 180 grain .35 Whelen loads for medium to large thin skinned game such as whitetail deer, mule deer, antelope, and black bear. The combination of a large .358 diameter, 3,000 fps velocities, and deep penetration is known to create massive wound channels while limiting meat damage.
Barrel Length and Actual Velocity Variances
Ammunition manufacturers generally record published velocities using 24 inch test barrels in controlled laboratory environments.
If you shoot a .35 Whelen rifle with a shorter 20 inch or 22 inch barrel, you will almost certainly experience a drop in actual muzzle velocity compared to factory specifications. A general rule of thumb is a loss of 25 to 30 fps per inch of barrel reduced. Variables such as chamber tolerances, elevation, temperature, and specific powder burn rates will also cause real world chronograph readings to differ slightly from the printed box figures.
FAQ: 35 Whelen 180 Grain Ballistics
What is the muzzle velocity of a 180 grain .35 Whelen?
Factory published muzzle velocities for 180 grain .35 Whelen loads range from 2,812 fps to 3,000 fps, depending on the manufacturer and the powder charge used.
How much energy does a 180 grain .35 Whelen have?
At the muzzle, a 180 grain load typically produces between 3,362 ft lbs and 3,597 ft lbs of kinetic energy.
How far is a 180 grain .35 Whelen effective?
Because the 180 grain bullet launches at high velocities, it retains effective hunting energy and expansion speed well past 300 yards. At 300 yards, a load like the DoubleTap TTSX still carries nearly 2,100 ft lbs of energy.
What is the trajectory of a 180 grain .35 Whelen?
It is a surprisingly flat shooting cartridge for a heavy caliber. According to published data for a load leaving the barrel at 3,000 fps with a 200 yard zero, the bullet hits roughly 1.6 inches high at 100 yards and drops only 7.1 inches at 300 yards.
Is 180 grain .35 Whelen good for hunting?
Yes, it is excellent for hunting. Lighter 180 grain loads are typically constructed from solid copper (like the Barnes TTSX), which ensures extreme weight retention and deep penetration. This combination of speed and monolithic construction makes it an ideal cartridge for deer, antelope, hogs, and black bear.