Colorado Redneck
New member
I have tried IMR 4198 with several projectiles for 222 Rem. It is highly recommended for the caliber, and there is lots of data for it. My experience with this powder is lesss than positive. The rifle is a CZ 527 American with 22 inch barrel. Two issues with this powder:
1.)It is kind of bulky and the stuff doesn't meter very well. Seems to be light for volume, and the max recommended loads leave some empty space in the cases.
2.)The velocities this has produced are 150-300 fps less than load books and web information has indicated could be expected. I have both Nosler and Hornady load manuals, and have also used data from the IMR/Hodgdon website. Other powders are performing fairly closely to the load data.
It wold be logical that perhaps some bullets would not perform like the books say, but for the 5 different bullets that have been loaded over this powder to all run significantly slower than predicted seems kind of odd.
I am using Rem brass, Rem 7-1/2 primers, trim to spec'ed length, seated as spec'ed expcept for Nosler, and those were loaded .02 off the lands.
Hornady 35 gr. Vmax, Hornady 40 Gr. Vmax, Sierra 40 BK, Nosler 40 BT, and 35 gr. Nosler BT LF.
Any other hand loaders experience stuff like this with this or any other powder?
1.)It is kind of bulky and the stuff doesn't meter very well. Seems to be light for volume, and the max recommended loads leave some empty space in the cases.
2.)The velocities this has produced are 150-300 fps less than load books and web information has indicated could be expected. I have both Nosler and Hornady load manuals, and have also used data from the IMR/Hodgdon website. Other powders are performing fairly closely to the load data.
It wold be logical that perhaps some bullets would not perform like the books say, but for the 5 different bullets that have been loaded over this powder to all run significantly slower than predicted seems kind of odd.
I am using Rem brass, Rem 7-1/2 primers, trim to spec'ed length, seated as spec'ed expcept for Nosler, and those were loaded .02 off the lands.
Hornady 35 gr. Vmax, Hornady 40 Gr. Vmax, Sierra 40 BK, Nosler 40 BT, and 35 gr. Nosler BT LF.
Any other hand loaders experience stuff like this with this or any other powder?