Description

IMR Enduron 7977 Smokeless Gun Powder for sale

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.

The slowest burn rate Enduron Technology extruded powder is IMR 7977 and is a true magnum cartridge propellant. It yields outstanding performance in such cartridges as the 300 Winchester Magnum, 7mm Remington Magnum, 338 Lapua and a host of others. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy. The 7mm Remington Magnum “never had it so good”!

IMR Enduron 7977 Smokeless Gun Powder in stock

Good results in 7mm Roy and 7mm Rem Mag

IMR 7977 can be used in both a 7mm Roy and a 7mm Rem Mag with 165 gr. Nosler Accubonds 1/2″ groups at 100 yds. consistently when sighting in spring and summer, and when in the cold temps during hunting season. Good powder.

IMR Enduron 7977 Smokeless Gun Powder Best price

A large deviation would be around 30 to 50 fps. It’s also smooth in texture which makes it easier to load from the electronic powder drop as well as actually dropping it into the cartridge. Also, the same can be said of the enduron 4451.

IMR Enduron 7977 Smokeless Gun Powder

it has a very good results in Rem 700 Sendero 25-06 with 26″ barrel. Both accuracy and velocity are better than expected. With 100 Nosler BT’s It got better than half inch 5 shot groups at 100 yards with several charge weights, 58 & 59 grains. 59 grains gave avg velocity of 3,427 and is the load we recommend you go with. Max load of 61 grains pushing 3,500 fps, slight ejector mark on case head. Bullets seated .005 of lands, Fed Primers and priv part brass.

IMR Enduron 7977 Smokeless Gun Powder

IMR 7977 can be used in medium bore guns. It works very well in my 7mm Remington Mag and 6.5-06. It gets very consistent velocity, and it hasn’t been bothered by temperatures. Worked well in a 25-06. Seated bullets (85gr nosler BT varmint) into the lands and used 62.5 grains. Compressed.

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

Specifications

IMR Enduron 7977 Smokeless Gun Powder