Wednesday, June 12, 2013

Penta pins in MP mold?

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I have a 358 MP 4 cav mold that I'm running 2 cavities with a large round hp and 2 flat. I just got a SAA 270 4 cav that came with the penta pins already installed so I started off with that. The bullets didn't want to come off that easily even though I had put some graphite powder on them...then halfway through the session I smoked the pins, only, with a wooden match. Neither was wonderful. After I got through (naturally) I took a good close look at the pins, they have machine marks in them that the rounds don't have..thereby affording grip for the bullets. I remember long time back reading someone polished theirs. Any feedback on that?
The real question is, is the penta any better expanding than the conical HP? Any photos from anyone?
thanks in advance.
Joe
Ya, I use some 600 grit paper on all of my molds that have the penta points & polished those pins. I setup the molds to run 4 round hp's, no problem. When I setup the molds to run 2 round hp's & 2 penta point hp's. Had to have the heat way up to get them to release. After polishing the penta pins I didn't have to have the heat up so high.
Cool! I knew I could depend on a good answer, just not at lightening speed! I'll may carry some of the hollow points in my tactical New Vaquero .45 Colt thanks for the response.
Oreo is online now Boolit Master Join DateMar 2009Posts975
Polishing the pins with some fine grit sand paper is the way to go.
I have a set that I've been meaning to polish for a while now. I don't think I got them hot enough when I tried before. I kinda put the round pins in and never looked back.

Seeing those pics makes me want to get the penta pins going again.

Try the local auto parts store for sandpaper up to 2000 grit, it'll blow your mind what you can do with it running in 400 grit jumps.
"The only good bureaucrat is one with a pistol at his head. Put it in his hand and it's good-bye to the Bill of Rights." --American author H. L. Mencken (1880-1956)
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Pointed Soft Point "Core Lokt"


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