The main pros of 400 Legend are its hard-hitting energy transfer on deer and hogs, compliance with straight-wall hunting regulations, and a manageable recoil profile, while the main cons are its steep trajectory beyond 250 yards and the requirement for a specialized bolt face in AR-15 platforms. Developed by Winchester to split the difference between the 350 Legend and the 450 Bushmaster, this cartridge launches heavy .40-caliber bullets that deliver roughly 20 percent more energy than the classic .30-30 Winchester. While it consistently drops medium game with authority at close to moderate ranges, it is not a flat-shooting plains cartridge. Because it maximizes energy in a straight-wall design without the punishing recoil of the 450 Bushmaster, it has quickly become a premier choice for hunters in restricted states who want big-bore stopping power in a lightweight rifle.
400 Legend Pros And Cons
| Feature | Pros | Cons |
| Accuracy | Consistently capable of 1.5 to 2 MOA at 100 yards, which is excellent for thick-woods hunting. | Not designed for precision benchrest shooting or extreme long-range target work. |
| Bullet construction | Features heavy 190-grain to 215-grain hunting bullets with wide frontal areas. | The blunt .40-caliber projectiles have low ballistic coefficients and catch wind easily. |
| Expansion | Rapid and massive expansion on impact, creating incredibly wide wound channels. | Can occasionally under-penetrate if the bullet hits heavy bone at point-blank velocities. |
| Weight retention | Standard Power-Point loads hold together well enough for deep penetration on deer. | Non-bonded cup and core bullets may shed weight faster than premium solid copper options. |
| Penetration | Drives through the vitals of large deer, black bears, and feral hogs effectively. | Does not offer the extreme, smashing penetration of the heavier 450 Bushmaster on dangerous game. |
| Deer hunting performance | Delivers devastating knockdown power inside 200 yards, often dropping deer in their tracks. | The bullet drop past 250 yards requires careful range estimation to ensure an ethical hit. |
| Muzzle velocity | Pushes a heavy 215-grain bullet at roughly 2,250 fps, offering a great balance of speed and mass. | Significantly slower than bottleneck cartridges, making it sluggish at extended ranges. |
| Muzzle energy | Generates over 2,400 ft-lbs of energy, easily outclassing the 350 Legend and .30-30 Winchester. | Energy bleeds off quickly as distance increases due to the poor aerodynamics of the bullet. |
| Trajectory | Flat enough for a point-and-shoot zero inside 150 yards. | Drops severely past 200 yards, making holdovers difficult for inexperienced shooters. |
| Effective hunting range | Highly effective on medium game out to 250 and possibly 300 yards in the right hands. | Stretching it past 300 yards risks severe bullet drop and energy loss. |
| Performance from shorter barrels | Performs reliably in standard 16-inch to 20-inch barrels. | Short barrels will reduce the factory advertised velocity and narrow the ethical hunting range. |
| Recoil | Roughly 20 percent less recoil than a 450 Bushmaster and far less kick than a 12-gauge slug. | Produces noticeably more felt recoil than the smaller 350 Legend. |
| Price/value | Offers a highly effective, legal hunting option for straight-wall states at a reasonable ammo price. | Factory ammunition choices are still expanding and can sometimes be harder to find locally. |
| Consistency | Reliable ignition and feeding in both bolt-action and modern sporting rifles. | Straight-wall cases require specific crimping techniques for those who want to handload. |
| Best use | Whitetail deer and black bear hunting in states that mandate straight-wall cartridges. | Not versatile enough for western plains hunting where 400-yard shots are common. |
| Limitations | Fits perfectly in an AR-15 receiver to provide a massive step up in stopping power. | Requires a dedicated 6.8 SPC bolt face and specific magazines to function in an AR-15. |
Accuracy
The 400 Legend provides more than enough accuracy for its intended role as a medium-range hunting cartridge. In factory bolt-action rifles like the Winchester XPR or Savage Axis, shooters can typically achieve 1.5 to 2-inch groups at 100 yards. While it will never compete with a 6.5 Creedmoor in a precision rifle match, this level of accuracy is perfectly suited for hitting the vitals of a deer or black bear in heavy timber.
Bullet Construction And Expansion
Winchester designed the cartridge to fire true .40-caliber (specifically .4005-inch diameter) bullets.Factory hunting options, such as the 215-grain Power-Point or the 190-grain Deer Season XP, feature wide frontal profiles. Upon impact, these bullets expand rapidly, transferring massive amounts of energy into the animal. Because the bullet is already starting with a wide .40-caliber diameter, the resulting mushroom is devastating on thin-skinned game.
Penetration And Weight Retention
With bullet weights hovering around the 200-grain mark, the 400 Legend carries significant momentum. This ensures deep, straight-line penetration through the ribcage and vitals of deer and feral hogs. While traditional cup and core bullets will shed some weight during expansion, they generally retain enough mass to provide an exit wound on broadside shots, which is crucial for leaving a highly visible blood trail in thick woods.
Deer Hunting Performance
For hunters in straight-wall restricted states, the 400 Legend is a phenomenal upgrade.It bridges the massive gap between the light-kicking 350 Legend and the heavy-recoiling 450 Bushmaster.It hits deer with absolute authority, delivering over 20 percent more energy than the classic .30-30 Winchester. Inside 200 yards, it drops deer and black bears incredibly fast, making it one of the most effective modern woods cartridges available.
Velocity And Energy
The factory ballistics of the 400 Legend are highly impressive for a straight-wall case. Winchester rates their 215-grain Power-Point load at 2,250 feet per second, generating 2,416 foot-pounds of muzzle energy.This gives the cartridge a massive initial punch, delivering roughly the same energy as a 450 Bushmaster at 200 yards but with a significantly flatter initial trajectory and a much more pleasant shooting experience.
Trajectory And Range
Like all straight-wall cartridges firing blunt projectiles, trajectory is the main limiting factor. The 215-grain bullet has a relatively low ballistic coefficient. If you zero your rifle at 150 yards, the bullet will drop about 5 inches at 200 yards and roughly 13 inches at 250 yards.While Winchester states it has enough energy to kill out to 300 yards, the steep bullet drop requires the hunter to know exactly how far away the animal is to execute an ethical shot.
Recoil
Recoil management is where the 400 Legend truly shines. The 450 Bushmaster has a reputation for kicking violently, while the 350 Legend is extremely mild. The 400 Legend sits perfectly in the middle. It produces roughly 20 percent less recoil than the 450 Bushmaster and 55 percent less recoil than a 12-gauge slug. This makes it comfortable enough for average shooters to practice with extensively without developing a nasty flinch.
Price And Value
The 400 Legend offers fantastic value for the midwestern deer hunter. It provides AR-15 compatibility and hard-hitting big-bore performance without forcing the shooter to buy expensive, heavy-recoiling magnum ammunition.Factory loads are priced competitively with other straight-wall hunting cartridges, and the growing support from major rifle manufacturers means buyers have a wide variety of affordable bolt-action and semi-automatic rifles to choose from.
Main Drawbacks
The most notable drawback of the 400 Legend is the requirement for proprietary parts in an AR-15 build. You cannot use a standard 5.56 NATO bolt or magazine. Because the cartridge utilizes a rebated rim that matches the 6.8 SPC, you must use a dedicated 6.8 SPC bolt face and specific straight-wall magazines for it to feed and fire reliably.Furthermore, its poor aerodynamics strictly limit it to a 250 or 300-yard maximum range.
Final Verdict
Is 400 Legend good?
Yes, it is a highly effective, perfectly balanced cartridge for its intended purpose.
This caliber is best suited for deer, hog, and black bear hunters who are restricted to straight-wall cartridges and want more knockdown power than the 350 Legend offers, but without the punishing recoil of a 450 Bushmaster.It is a premier midwestern brush gun cartridge that works flawlessly in both bolt-action and AR-15 platforms.
However, hunters who live in states without straight-wall restrictions and routinely shoot across wide-open agricultural fields would be better served by a flatter-shooting bottleneck cartridge like the .308 Winchester or 6.5 Creedmoor.
Frequently Asked Questions (FAQs)
1. Is the 400 Legend a straight-wall cartridge?
Yes. The 400 Legend features a straight-walled case with no shoulder, making it completely legal for hunting in states with straight-wall cartridge restrictions like Ohio, Michigan, and Iowa.
2. How does the 400 Legend compare to the 350 Legend?
The 400 Legend is larger and more powerful. It fires a wider, heavier .40-caliber bullet compared to the .35-caliber bullet of the 350 Legend, delivering significantly more kinetic energy on target, though with a bit more recoil.
3. Does the 400 Legend kick as hard as a 450 Bushmaster?
No. One of the main selling points of the 400 Legend is that it produces roughly 20 percent less felt recoil than the 450 Bushmaster while still delivering devastating terminal performance on deer.
4. What is the actual bullet diameter of the 400 Legend?
The cartridge fires a .4005-inch diameter projectile, making it a true 10mm or .40-caliber bullet.
5. Can I use a standard AR-15 lower receiver for the 400 Legend?
Yes. The cartridge fits within the maximum overall length required for standard AR-15 lower receivers.You only need a dedicated 400 Legend upper receiver, a 6.8 SPC bolt, and specialized magazines.
6. What bolt face does the 400 Legend use?
Winchester designed the case with a rebated rim measuring 0.422 inches, which perfectly matches the bolt face of the 6.8 SPC cartridge.
7. What is the maximum effective hunting range of the 400 Legend?
For ethical hunting on medium game, the maximum effective range is generally 250 to 300 yards.Beyond that, the heavy bullet drops rapidly and loses the energy required for a clean kill.
8. Can I reload the 400 Legend?
Yes. However, because it is a straight-wall case that headspaces off the case mouth, you must use proper taper crimping techniques and avoid heavy roll crimps to ensure the cartridge chambers safely.
9. Is the 400 Legend powerful enough for black bear?
Yes. The heavy 215-grain bullets and massive muzzle energy make it highly effective for hunting black bears at close to moderate ranges in heavy timber.
10. How much does the 215-grain bullet drop at 200 yards?
If you zero your rifle at exactly 150 yards, a standard 215-grain 400 Legend bullet will drop approximately 5 inches at 200 yards and roughly 13 inches at 250 yards.