Production of IMR powders dates back over 200 years when the company was originally founded by E.I DuPont. Available for use in many reloading applications, the IMR series of powder is trusted by reloaders all across the globe.
IMR 4831 has a slightly slower burn speed than IMR 4350. IMR 4831 gives top velocities and performance with heavier bullets in medium-sized magnums.
Important Information:
Do not exceed the loads displayed in the reloaders guide.
Never mix any two powders regardless of type, brand, or source.
Never substitute any smokeless powder for Black Powder or any Black Powder
substitute.
Jonathan McAllister –
IMR 4831 is an excellent choice for my .270 Winchester. It burns consistently, meters well, and delivers incredible accuracy at long range.
Olivia Harrington –
This powder has been a game-changer for my 25-06 Remington reloads. It provides fantastic velocities with low standard deviations—highly recommended!
Brandon Steele –
IMR 4831 is my go-to for .300 Winchester Magnum. It delivers excellent burn consistency and helps me achieve sub-MOA accuracy every time.
Melissa Chambers –
I’ve had great results using IMR 4831 in my 6.5-284 Norma. The performance is reliable, and it provides smooth, clean-burning shots.
Eric Davenport –
Perfect powder for my .280 Remington loads! The burn rate is ideal, and I get extremely consistent velocities across all my rounds.
Sarah Whitfield –
IMR 4831 works wonders for my .270 WSM reloads. The accuracy improvement is noticeable, and I’m getting fantastic terminal performance on game.
Nathan Porter –
This powder is top-tier for my .243 Winchester. It provides excellent bullet stabilization and consistent velocities shot after shot.
Vanessa Morales –
I use IMR 4831 in my .257 Roberts, and the results are outstanding. Smooth metering, great burn consistency, and superior accuracy.
Christopher Nolan –
IMR 4831 is perfect for my .338 Winchester Magnum. The slow burn rate gives me fantastic energy transfer and tight groups downrange.
Rachel Simmons –
My 7mm Remington Magnum loves this powder! It provides excellent case fill, burns clean, and gives me ultra-consistent long-range accuracy.
Tyler Brooks –
IMR 4831 is a must-have for serious reloaders. I use it in my .264 Winchester Magnum, and it has significantly improved my ballistic performance.