MP molds I Like!

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Dana Stanley

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So I got a 2- cavity mold today from MP molds. It's a Hollow base wad cutter, so it has attachments. I haven't used it yet but the look and feel is awesome. It has set ups for pointed hollow/ rounded hollow/ and no hollow. Includes a half dozen extra c clips to hold the rods in. The molds look as good as any and are brass. The sprue plate is really heavy as is the mold itself, I mean beefy! It uses lee 6 cavity handles. Took less than a week from Slavonia! I couldn't believe how fast and they kept me up to date on shipping total $113,00 with shipping! I think it was a good deal and great product and service. The best hollow point molds! ~ MP-molds ~ Bullet molds

Has anyone here used these before? Interested to know how it will hold up, or if there is a suggestion for breaking in a brass mold? Also mold release or no?
 
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I have a couple brass MP molds and they are well made and nice to use. Check out the "Tips n Tricks" page on the link you posted and it has a good info on breaking in and using brass molds. Check the article "General advice for using brass HP moulds".

Brass molds have a different learning curve than aluminum or steel molds.
 
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I've got a half dozen MP molds, all hollowpoint, so no experience with their hollow base molds.

All I do with my new ones is to clean them well. I did the "heat cycle" thing on the first couple I got, but I don't bother anymore.

I've never had a need to use mold release or smoke an MP Mold, but I have found it useful on occasion to use a pencil on the HP pins to help them release bullets easier.
 
I've owned a lot of brass molds over the years and still own 30+ to this day. At 1 time I owned 14 different hollow based molds but been thinning the herd lately.

I've never heat cycled any of them nor smoked them. Simply wash them good when you 1st get them.

Make sure you wash the pins also. When installing them use only 1 c-clip on 1 rod, you don't need both pin holding rods having the c-clips on them. When setting up the mold screw 1 rod into the pin you want to use and then slide that pin in place. Then screw the 2nd rod onto the pin with the c-clip already installed. Start with both pins tight and check for ease of movement/sliding easily back and forth. If the hb pin doesn't move freely/easily loosen 1 rod and re-test. You don't want the rods binding making it hard to move the hb pins. If they don't move freely with a cold mold it will only get worse with a hot mold. Loosening 1 rod will typically make the pins slide in and out easily.

Pre-heat your mold and oil the top of the mold, bottom of the sprue plate. I use aq-tip for this and go light on the oil in these places. Oil the sprue plate screw/hinge point. Oil the alignment pins and the alignment pin sleeves. Oil the rods that hold the hb pins in place and oil the bodies of of the hb pins. Do not put any oil on the part of the hb pins that form the hollw base in the cast bullet.

Run your alloy hot (+/- 750*) and take a hard look at the 1st couple sets of bullets you cast. You want the lead puddle on your hot mold to take 5 seconds + to harden. If you see rounded edges or lines in your bullets that's telling you the mold is too cold. HB molds like to be ran hot.

Good luck
 
I have more than I care to admit, and just signed up for another.

Are they better than NOE or Accurate, nope, but they offer a different type of HP pin set up that I prefer. The solid versions I have are of different design than offered elsewhere.

The biggest downside is the wait time when signed up on the GB's run on Castboolits. Sometimes they might go on for a couple of years.

Follow the advice given above and you have bullets raining out as fast as you can pour. Just be sure not to go too fast....
 
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