IMR Powder

Rifle Powders

4227 In rifles this powder delivers excellent velocity and accuracy in such cartridges as the 22 Hornet and 221 Fireball.
4198 This fast burning rifle powder gives outstanding performance in cartridges like the 222 Rem, 221 Fireball, 45-70, and 450 Marlin.
3031 An effective powder in small-capacity varmint cartridges from 223 Remington to 22-250 Rem.
8208 XBR The latest in the versatile IMR line of fine propellants, this accurate metering, super short grained extruded rifle powder was designed expressly for match, varmint, and AR sniper cartridges

Suited for varmint cartridges like the 220 Swift, 22-250 Rem and 243 Winchester.

Non-EU Compliant - Discontinued

4895 Originally a military powder featured in the 30-06, IMR 4895 is extremely versatile. From the 17 Remington to the 243 Winchester to the 375 H&H Magnum, accuracy and performance are excellent. In addition, it is a longtime favorite of Match shooters.
4064 One of the most versatile propellant in the IMR line, used for 223 Rem, 22-250 Rem, 220 Swift, 6mm Rem, 243 WSSM.
4320 Short granulation, easy metering, and perfect for the 223 Rem , 22-250 Rem, 250 Savage, and other medium burn rate cartridges.
4350 The number one choice for the new short magnums, both Remington and Winchester versions.
4831 Slightly slower in burn speed than IMR-4350, IMR-4831 gives top velocities and performance with heavier bullets in medium-sized magnums.
7828 The BIG magnum powder. This slow burner gives real magnum performance to the large over-bored magnums such as the 300 Remington Ultra Mag
7828 SSC This magnum rifle powder has exactly the same burn rate as standard IMR 7828 and uses the same data. However, due to the super short kernels, metering is virtually as good as a spherical powder.
  Reduces copper fouling and insensitive to temperature change
4166 This fine, extruded propellant is the first in the series of Enduron Technology powders. IMR-4166 is the perfect burn speed for cartridges like the 308 Win, 22-250 Rem, and dozens more. Similar burn rate as Hodgdon Varget.
4451 Another new Enduron extruded powder, IMR-4451, gives top performance in the venerable 30-06, 270 Win and 300 WSM.

A top performer with such great cartridges as the 25-06, 270 Winchester, 280 Remington and 300 Win Mag. Falls directly between IMR4451 and IMR7977 in burn speed, providing top performance for all big game cartridges. 


The slowest burn rate Enduron® Technology powder. A true magnum propellant yielding outstanding performance in the 300 Win Mag, 7mm Rem Mag, and 338 Lapua. Loading density is perfect for magnums, contributing to superb uniformity. 

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