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Buffalo Bore built the 4A20 Heavy around what field experience and physics actually demand from a .44 Magnum load. This 305-grain hard cast projectile with a wide flat nose is engineered to penetrate deep and straight through heavy muscle and bone without deflecting or mushrooming prematurely. You can expect around three feet of penetration in normal tissue and bone from revolver-length barrels.
The wide flat nose cuts and crushes through living matter rather than slipping sideways like a round nose bullet would. This creates a wider, more destructive wound channel along the bullet's path. The flat meplat is gas checked for consistent performance, and the hard cast construction resists deformation across a range of velocities. At 1325 fps and 1189 ft-lbs of muzzle energy from standard test barrels, this load sits in the sweet spot for serious revolver work without excessive recoil.
Users consistently report this ammunition delivering on its promise. Field reports show clean, reliable penetration on everything from whitetail to black bear. The brass cases are reloadable, giving reloaders another reason to stock up. This is ammunition built by people who understand that in the field, you need bullets that work reliably every single time, not ballistic marketing. Buffalo Bore's testing uses real production firearms, not laboratory barrels, so you get velocity numbers that actually matter when you pull the trigger.
This standard .44 Magnum load can be fired in any standard-strength revolver chambered for .44 Magnum. That includes Ruger revolvers, Taurus Raging Bull, S&W Model 29 and similar modern revolvers, Colt Anaconda, and others. If you have an unusual or older revolver, verify with the manufacturer that it's rated for full-power .44 Magnum loads. Buffalo Bore also makes a heavier +P+ version for specific firearms, so make sure you have the right load for your gun.
The 305-grain projectile is on the heavier side for .44 Magnum, which means slower velocity but higher retained energy and better penetration. The flat nose design cuts and crushes instead of deflecting, creating more tissue damage along a straight path. This makes it better suited for larger game and situations where deep, reliable penetration matters more than expansion or reduced recoil.
Yes, this load can be fired through .44 Magnum rifles like lever-actions and single-shots. When fired from rifle-length barrels with higher velocity, the bullet will mushroom and penetrate less deeply than from revolver speeds, but still provide solid performance. Many shooters use this ammunition successfully for rifle hunting, and the flat nose design still delivers effective results even at higher rifle velocities.
Yes. Buffalo Bore uses boxer-primed brass cases that are fully reloadable. The hard cast bullets and quality brass make these cartridges economical to reload, which is why many handgun hunters prefer Buffalo Bore ammunition over some alternatives. Just make sure to use appropriate reloading data for .44 Magnum if you decide to reload.
| Caliber/Gauge | .44 Magnum |
|---|---|
| Case Material | Brass |
| Cost per Round | 2.30 |
| Grains | 305 gr |
| Manufacturer | |
| Manufacturer Part Number | 4A20 |
| Units per Box | 20 |
| UPC | 651815004211 |
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