IMR 4166

Buy IMR 4166 with ENDURON Technology Smokeless Powder Online

Introduction

IMR 4166 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, 4166 delivers reliable ignition across loads. This powder performs well and is known for its consistent ballistics.

Understanding 4166

As an extruded powder with ENDURON Technology, 4166 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 4166

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

4166 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 4166 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 4166 delivers top-tier results. Experienced reloaders will appreciate 4166’s quality and trouble-free operation in rifles.