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You didn't need to say "once again," I saw it first time. I am familiar with the technique. As a commercial caster I have bored out several moulds to fit oversize gas checks. It works, but is an...

The 9.3 groove dia is 366, the 375H&H is 375. How on earth do you expect a 375 gas check to fit a 9.3 bullet ? There is some latitude, and sometimes an oversize gas check will fit. But that...

Dunno where you get that idea. You will never get the modern hard wax lubes to flow thro a luber without heat.

Having thought a bit more, Troy's air conversion is so good as it is, and so simple, that attempting to increase capacity by tube extension is probably a bit over the top. A new aluminium or nylon...

As a commercial caster in South Africa, this is of interest to me. Just for the interest of Americans, Star lubers are very expensive here, and very rare. I know of only two besides mine, and...

The Lee 20lb pot is the best value by far. At $350 the RCBS is so over priced its a joke. Somewhere else on this forum was a complaint that Magma increased its 90lb pot from $325 to $500. ...

Magma moulds are dimensionally very similar to RCBS, and work with RCBS or Lee handles. You might have to do some minor work on the handles with a file but that's easy. Unscrew the two brackets...

I don't have a set like that, would take too long to make. But I have something close. Each 5 groove slug I need to measure, I drill and bore a hole in the end of a small piece of bar stock in my...

You have undoubtedly got a very short throat, as another contributor has also said. I am not familiar with that gun, but I have cast tens of thousands of that bullet for customers, with no problem...

Yeah, that's how gauge bocks work. You "wring" them together, but when you want to separate them, they have to be slid apart, and even then it takes a bit of force.

From memory, the 452630 is a 200 grain SWC, so the alloy is about right. I'm not familiar with the RCBS 162 grain bullet, I'll need to look at the on line catalog. A gas check bullet will cast...

Absolutely not !! There are safety issues with melted lead. There are two types. One is what I'd call the obvious physical risks, like splashing onto skin or into eyes and the like. The other is...

There has been a lot of sense posted on this thread. Let me confirm it. I am a commercial bullet caster. Not big volumes, more a part time beer money business, really. But I cast more bullets...

I agree. 1600FPS has long been the rule of thumb max for plain base, but 2400 for gas checked. To elaborate a little, I have done a good bit of testing for a book I'm hoping to write. I have...

I'm amazed that anyone can lube that fast with a Lyman 450. I can't get more than 400 per hour, and I'm a commercial caster who needs to work fast. I easily get 1000 per hour with my Star, and in...

I detect some confusion. You can't use Lee sizing dies in any lubricator. They are threaded for use in a loading press and are for sizing tumble lubed bullets. Tumble lubing is intended to be...

Forgot to mention boring out the bevel, or cutting it off. Others have mentioned it. Yes, that is a practical solution. If you like a particular BB mould, it is not difficult to bore out or cut...

The only difference between them is that BB bullets look prettier. From a loading and shooting point of view, there is no practical difference. No difference in accuracy either, and that's...

Ain't that the truth! I've been amazed at the **** that surfaces on this and other forums from guys I expected would know better. I hope I'm not guilty of same. I tend to be fairly...

[QUOTE=oldtoolsniper;517981]Adventures in top pu€nch making. Having two craftsman 109 metal lathes of which I have no idea how to use. I decided to make a top punch for a swc cast boolit.

Very...

There are six factors in leading: alloy hardness, bullet fit, lube quality, bore smoothness, velocity, and whether or not the bullet is gas checked.

But some of these should not be a factor...

Yes, that's how to do it accurately and quickly. I found that even with checks that fit quite nicely, square seating needs a seater. Mine are also home made, and sit on top of the dies in my RCBS...

It has been apparent that good fit of gas checks is a hit and miss affair. That's because of tolerances in moulds, and is to be expected. I have not had that problem myself, but I have noticed...

Yes. Bear in mind that dirt and dross are two different things, but have to be removed in the same way. Dirt is what's on the lead before you melt it. There'll be lots of it on scrap. Dross...

I confirm that. I also confirm that 6% antimonial alloy casts perfectly without tin. Tin is for easier fillout, but adds very little hardness. As 6% antimony fills out perfectly there is no need...