I always felt that if some company would make powders like 7383
available it would be great. 7383 ignites fine with regular
shotgun primers in 12ga, but it is surplus and only a few of
us have it.It is a powder that has a lot of the deterrent inside
the of the material, not all near the outside like 99% of
all other powders whether spherical, tubular, or flake.
This allows easier ignition, but yet the deterrent still can
control the speed. Well the new RE-17 just out for 2 days
is setup like that. The surface of the RE-17 grains is
more porous than RE15, so that fact allows better ignition
even though a slower powder, and along with fact that company
got most deterent inside it still regulates speed.
Today I fired with regular REM and WIN primers in
plastic and RMC cases, a whole bunch of loads of RE-17,
with no hesitation or squibs or misfires. Loads ranged from
437 gr slugs to 750gr slugs today. All loads burnt clean
and I got in RMC case one of RG's 715gr jkt slugs to 2300
with 160 gr of RE-17. Using plastic you must have a strong
roll crimp with slug and wads tight.....Whoopee....Ed