Lil'Gun is perfect for the 460. In a handgun round Lil'Gun, H-110, 296 are all considered slow powders.
The fact that you are getting black rings around your primers is a definate sign of way too high pressures and is dangerous!
Stop using rifle primers unless the source of data you are using actually recommends them.
There are a lot of guys who are self proclaimed experts that will say it's OK to do such things, but stick with what the data source you are using says. They have access to pressure equipment that very few others do.
A couple things to check.
1- Try a different lot of brass. I have bought brand new Remington brass for a 300 Weatherby, and using the same loads as in my old Rem brass, I was blowing primers. I later read in one of my gun magazines that Remington recently had turned out some too soft brass. Apparently I had gotten some of this. I switched to a different brand, and no more trouble.
2-How are you dispensing your powder? It may be that your scale is accurate, but whatever you are using to drop your powder is not.
3-Make sure that the bullets you are using are indeed .451-.453", and not actually .458" as is used in rifles. It doesn't matter what it says on the package they came in. I always check that, as soon as I get a new batch of cast bullets, regardless of whether or not they come from a reputable source or not.
4- Though you said that factory loads are fine, they aren't loaded to the SAAMI max specs. If the loads you are using are listed as max, they may be well above what the factroy loads to. Check the throats in your chambers (bullet end)and make sure that they aren't undersized as in .450" or smaller diam. If they are, that will raise pressures significantly, and quickly.
I didn't see the post above when I posted this
It just goes to show that some of us are on the same page. Your throats are too small for one thing. Ideally, they should be exactly the same as the bore, but .001" over is almost as good with jacketed, and is ideal for cast slugs. They shouldn't be under though. A good gunsmith can open them to the proper diam. for around $50.
Cast slugs using a gas check will increase pressures over non checked, and if you are using data for non checked bullets, you need to backoff a couple of grains.
<span class="ev_code_BLUE">I too am a Christian, so it's always nice to meet others who believe.</span>
The fact that you are getting black rings around your primers is a definate sign of way too high pressures and is dangerous!
Stop using rifle primers unless the source of data you are using actually recommends them.
There are a lot of guys who are self proclaimed experts that will say it's OK to do such things, but stick with what the data source you are using says. They have access to pressure equipment that very few others do.
A couple things to check.
1- Try a different lot of brass. I have bought brand new Remington brass for a 300 Weatherby, and using the same loads as in my old Rem brass, I was blowing primers. I later read in one of my gun magazines that Remington recently had turned out some too soft brass. Apparently I had gotten some of this. I switched to a different brand, and no more trouble.
2-How are you dispensing your powder? It may be that your scale is accurate, but whatever you are using to drop your powder is not.
3-Make sure that the bullets you are using are indeed .451-.453", and not actually .458" as is used in rifles. It doesn't matter what it says on the package they came in. I always check that, as soon as I get a new batch of cast bullets, regardless of whether or not they come from a reputable source or not.
4- Though you said that factory loads are fine, they aren't loaded to the SAAMI max specs. If the loads you are using are listed as max, they may be well above what the factroy loads to. Check the throats in your chambers (bullet end)and make sure that they aren't undersized as in .450" or smaller diam. If they are, that will raise pressures significantly, and quickly.
I didn't see the post above when I posted this
Cast slugs using a gas check will increase pressures over non checked, and if you are using data for non checked bullets, you need to backoff a couple of grains.
<span class="ev_code_BLUE">I too am a Christian, so it's always nice to meet others who believe.</span>
