What does IMR 4227 load?

IMR 4227 is a medium burn speed, magnum pistol propellant. If a pistol says Magnum, IMR 4227 is the choice for true magnum velocities and performance. In rifles, this powder delivers excellent velocity and accuracy in such cartridges as the 22 Hornet and 221 Fireball.

Can unique powder be used in rifles?

Administrator. Yes, it can with good success. Unique can be upped for some moderate loads with cast also. Beyond that, I’ve had good luck using such as Alliant 2400 and W296 in bottle necked cases, with cast and jacketed.

What is unique powder best for?

Unique can be used to boost pistol bullets, rifle bullets, or shot charges out the barrel of your chosen boomer. Sound versatile? Yes, Allliant calls Unique the most versatile of powders, and that is perhaps the ground of its uniqueness. With rifles, it must be confined to light charges with cast bullets.

What kind of powder measure do I need for a 45-70?

HARTFORD, WISCONSIN 45-70 GOVERNMENT Use 3.1cc Powder Measure for all loads listed below These loads are safe to use in all guns in good condition BULLET WEIGHT IN GRAINS POWDER TYPE & MANUFACTURER GRAINS POWDER APPROX.

Can a Lee 4227 be used in a 45-70?

The 4227 was listed in several places for a 45-70 load. I have found an older Lee book but not much in recent publications since I got home. I have used it with marginal results, but then again the rifle was marginal, original Trapdoor.

What’s the maximum load for a Ruger 45 / 70?

The Nosler 5th book only shows 300gr loads for IMR4227. The Lyman 48th shows 31-34.5gr for 400gr cast bullets in their levergun data and 39.8-44grs with their 330gr 457122HP cast bullet in the Ruger data which is conservative at a max of 38.8kcup, well within the Handi’s capabilities.

How big of a bullet can I load with IMR 4227?

IMR 4227 for bullet weights of 350 to 450 grs. ,will this rifle handle this load . I have IMR 4227, IMR 3031, and Varget.