MiHec .223 boolit loads?

[Screwbolts]

ok, thanks for the reply...I will have to keep my eyes open for one.....any suggestions?

I have a Mini Mark X in 223 with a 1x12 barrel and built one of my Armalite Rifles with a 20" Wilson 1x12, 5.56 barrel. I have one of the 4 cav first group by molds for the Nato boolit. ( well over 15,000 cast from it, supplied several friends with 8000 ready to load ) They cast of my WW alloy ready to load at 62 gr. They shoot great in booth rifles with same load as listed above, simple green lube. I have a six cavity coming in the 4th buy. The loads listed above "werks fer me" just fine.

Size them as large as chambering will allow, I water drop them. I chamfer the necks with a Gracey case trimer. I do not bell necks even with .265 sized boolits.

[Soap]

It seems like most people try to stay around 2300 fps. I've always been told to keep most rifle loads under 2100 fps to minimize leading. I'm very new to casting/reloading and just got a 55 gr .225 Lee mold. I'm a little nervous about where to start. At what speeds (roughly) am I going to get accuracy without building to hot of a round?

[Screwbolts]

Soap, your rifle will tell you.

[StratsMan]

Hey All...

I just found this thread, and glad I did... I don't have this mold, but have a HMM in 62 grains that I size in a .226 die (a little spring back, and they're .2265)... This is a gas check design; I've powder coated some, and I've used polymer (Hi-Tek) on some... I shoot a pattern at 25 yds, not a group... BUT, I haven't actually put a gas check on them...

The photo of the green PC'd boolits in this thread are a little fuzzy; I can't tell if this is a plain base design or not... if so, I may only need to use a GC to get a "group" instead of a "pattern"... for you powder coaters, do you treat your loads any differently for these boolits??? One post said to use coww, water dropped... that'll make a hard boolit; does the heat of powder coating soften your boolit again?? I'm pretty sure that curing a polymer coating at 375 degrees is lowering BHN. Low-temp powder cures at 250 - 300 degrees.... can't remember if that's true for the Harbor Freight powder, or if it's a high temp powder (450 degrees) which would surely soften the boolits... And do you guys get a smokey trail out of your barrels from a PC'd boolit??? I did, but I don't recall anyone talking about that from their AR's...

Thanks for all the info!!!

[Nikolaus]

From my understanding, if you bake a little longer at 400 degrees, like 45 minutes, then water drop you will regain the hardness.

[brotherdarrell]

I'm in on the 4th run on this mold, and got it for my AR and will probably be a few months before I get to cast any.
So, I probably gunna guess these won't chamber or stabilize in a Remington 700 action with a 1-12" twist correct?

If you size them properly they will chamber in you 700. I have also shot this boolit in two 1-12" twist rifles and one 1-14" twist rifle and all three were show no sign of lack of stablization. It is also a very accurate design, if you do your part.

Darrell

[3006mv]

Do not bake too long your tiny boolits will warp and melt