imr 7977

Buy IMR 7977 with ENDURON Technology Smokeless Powder Online

Introduction

IMR 7977 with ENDURON Technology is a versatile powder suitable for many rifle cartridges. With a proven burn rate of 1.7% and density of 13.8g/cc, 7977 delivers reliable ignition across loads. This powder performs well and is known for its consistent ballistics.

Understanding 7977

As an extruded powder with ENDURON Technology, 7977 has consistent burn characteristics from its spherical pellet morphology. Its moderate burn rate produces effective pressures in calibers from .223 Rem to larger.

Reloading with 7977

When reloading, carefully select bullets, brass, and primers as specified in manuals. Weigh charges on an accurate scale within published data ranges. Ensure consistent seating and crimping. Document top loads for precision applications.

Applications

7977 is well-suited for cartridges loaded with 55-150 grain bullets, generating velocities for informal/long range shooting, plinking, and hunting. Excellent options include .223 Rem, .308 Win, 6.5 Creedmoor, 30-06 Sprg.

Safety Considerations

Always follow safe handling and reloading procedures. Store 7977 properly. Regularly inspect rounds. Wear protective equipment while reloading and shooting. Never exceed max published loads.

Conclusion

With its consistent burn, versatility across calibers, performance, and ENDURON Technology, IMR 7977 delivers top-tier results. Experienced reloaders will appreciate 7977’s quality and trouble-free operation in rifles.