Description

IMR 4831 Smokeless Gun Powder – Magnum Power, Trusted Accuracy

IMR 4831 Smokeless Powder is a slow-burning, extruded rifle powder designed for magnum cartridges and heavy bullet loads. A favorite among big game hunters and precision shooters, IMR 4831 delivers consistent pressure, excellent velocity, and clean-burning performance shot after shot.

Whether you’re loading for long-range hunting or precision target work, IMR 4831 is built to handle the challenge.

Why IMR 4831 is a Top Choice for Rifle Reloaders

✅ Optimized for magnum rifle cartridges like .270 Win, .25-06 Rem, and 7mm Rem Mag
✅ Excellent performance with heavier bullets
✅ Slow-burning for high-pressure loads
✅ Stable across temperature changes
✅ Reliable ignition and clean burn

Best Uses for IMR 4831

• .270 Winchester with 130–150 gr bullets 
• .25-06 Remington 
• 7mm Remington Magnum 
• .300 Winchester Magnum 
• Other large-capacity rifle cases 

IMR 4831 offers predictable pressure curves, making it a great choice for those who want accuracy and repeatability in every load.

Powder Sizes Available

• 1 lb container – ideal for small batches or trying new loads 
• 8 lb jug – best value for frequent reloaders 

Why Buy IMR 4831 from Us?

• Guaranteed fresh stock from trusted sources 
•  Fast, secure shipping across the U.S. 
•  Expert advice for handloaders 
• Competitive prices on all smokeless powders 

FAQ 

Q: What calibers perform best with this powder?
A: It excels in magnum rifle cartridges such as .270 Win, 7mm Rem Mag, and .25-06 Rem.

Q: Is this powder temperature sensitive?
A: It’s reasonably stable across temperature changes, but proper load development is always recommended.

Q: Can I use this powder for light bullets?
A: It performs best with heavier bullets in large-capacity cases due to its slow burn rate.

Q: What’s the difference between IMR 4831 and H4831?
A: Both are slow-burning, but they have different burn rates and pressure curves. Always refer to published load data.

 Power your magnum loads with IMR 4831 Smokeless Powder.
  Order now and load with precision and confidence.