View Full Version : noob questions
garbear
03-10-2010, 07:55 PM
I am going to buy a lee mold in .358 diamter. I am using trail boss. I may change to a different pistol powder but will more then likely stay with cast bullets. I am wondering if I need to worry about using gas checks. Oh the load is will be close to max.
garbear,
More information would be helpful. Handgun or rifle? Have you slugged the cylinder throats or bore? Etc.
chris in va
03-10-2010, 08:32 PM
It's my understanding having read numerous posts that you won't need gas checks for 357 magnum if you water drop the boolits.
Greenhorn44
03-10-2010, 08:39 PM
You should be fine. They say alittle tin goes along way
lwknight
03-10-2010, 09:49 PM
Gas checks are oversold. 357 and 44 magnums do jst fine without them.
garbear
03-11-2010, 10:27 AM
Sorry I am casting for a 357 revolver. I am using wheel weights. I just wanted to make sure i didn't need a mold with the gas checks. The mold I am looking at is a 158 grain 1 ogive round nose. Also one other question my buddy is going to be casting for a 45 long colt lever action do we need gas checks for his gun? We are both going to learn together.
garbear,
No gas check needed for your revolver. Higher velocity from the rifle may require one. Shoot some plain base boolits, first, then get a gas checked mould, in needed.
No need to water quench, just drop them on an old, folded cotton towel.
camaro1st
11-08-2010, 11:28 PM
at what velocity are checks needed?
HORNET
11-09-2010, 09:44 AM
Gas checks usually come into play around 1500-1600 fps. There are lots of variables involved as to alloy and hardness, which powder, barrel smoothness and dimensions, etc. You can get by without them in a lot of pistol calibers. Designs that were intended to use gas checks can SOMETIMES be used without the checks but frequently accuracy will suffer as a result. See some of the discussions in the Gas Check forum for more details.
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