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Author Topic: 9mm 147 Grain Bevel Base  (Read 43839 times)

dragon813gt

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9mm 147 Grain Bevel Base
« on: January 21, 2015, 06:37:11 PM »
Any interest in a 147 grain bevel base mold for 9mm?  Bevel base would be for deep seating in the tapered case.  I prefer 147 grains as a solid.  I have a bunch of 9s that prefer the heavyweights.  Already have molds to cover the other weights.  Need a 147 grain to round out the collection  :P

DR Owl Creek

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Re: 9mm 147 Grain Bevel Base
« Reply #1 on: January 22, 2015, 09:55:57 AM »
I'd be in on a 9mm heavy weight bullet too. I'd like something around 147gr with a flat point, and somewhere around 140gr with a hollow point. I would really prefer a design with one rear driving band and one front driving band, along with one conventional lube groove. I really don't care if the design is optimized to work with 357 SIG either, as long as the bullet will still fit in the short, tapered 9mm case without bulging it.

Dave

dkf

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Re: 9mm 147 Grain Bevel Base
« Reply #2 on: January 22, 2015, 10:01:35 AM »
???? Based off of a 147gr XTP. Bevel may need to be bigger for 9mm.



« Last Edit: January 22, 2015, 10:17:35 AM by dkf »

DR Owl Creek

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Re: 9mm 147 Grain Bevel Base
« Reply #3 on: January 22, 2015, 11:06:44 AM »
???? Based off of a 147gr XTP. Bevel may need to be bigger for 9mm.






OOOooooohhhh!!!!

Very Nice!

Dave

dragon813gt

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Re: 9mm 147 Grain Bevel Base
« Reply #4 on: January 22, 2015, 05:57:40 PM »
Based off of an XTP works for me since it's what I use for jacketed bullets.  Zero interest it making it work in 357 Sig and don't want it compromised.  I know nothing about design so can't be of help on that front.  A shallow hollowpoint wouldn't be a bad option as long as it doesn't effect the solid weight of 147 grains.

dkf

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Re: 9mm 147 Grain Bevel Base
« Reply #5 on: January 22, 2015, 10:28:06 PM »
This is what a 147gr XTP as comes from Hornady looks like. The 147gr XTP works in both 9mm and .357sig as is so if the cast version is made similar it will still work in both.


DR Owl Creek

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Re: 9mm 147 Grain Bevel Base
« Reply #6 on: January 23, 2015, 09:58:43 AM »
dkf,

I want to thank you for doing all the measuring and design work on your drawings. I think your idea of using the Hornady 147 XTP HP as the basis of a cast bullet design is great. I've never used that particular bullet, but all the other Hornady XTP's have worked great for me. That bullet also seems to have a great reputation for function and accuracy too, in both 9mm and 357 SIG, which is a big plus.

I think we could make that size and profile work for what we want. The Hornady XTP HP is nominally 147 grains as a jacketed hollow point. It seems that using that general profile (hopefully at about a .358" diameter) should work. Filling in the hollow point nose would up the bullet weight, but adding on a grease groove should delete a lot of weight too, so should be a wash, and it shouldn't be too hard to make Dragon's requested 147 grain total weight. 

I'm really excited about this one! How about you?

Dave

dkf

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Re: 9mm 147 Grain Bevel Base
« Reply #7 on: January 23, 2015, 11:00:03 AM »
I honestly am surprised that nobody has made a mold based off the Hornady 147gr XTP, it has been around a long time and works well. It seems the availability is lacking in circa 147gr 9mm HP cast bullet molds. I do hope this is something that can generate enough interest to get cut.

I just drew the designs I posted up in cad. I don't have bullet designing software so the cast versions I drew may be on the heavy side when cast out of lead bullet alloy.
« Last Edit: January 23, 2015, 11:02:44 AM by dkf »

dragon813gt

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Re: 9mm 147 Grain Bevel Base
« Reply #8 on: January 23, 2015, 01:36:18 PM »
Needs a lube groove.  I don't powdercoat so it needs to be a conventional mold.

DR Owl Creek

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Re: 9mm 147 Grain Bevel Base
« Reply #9 on: January 24, 2015, 08:45:10 AM »
Needs a lube groove.  I don't powdercoat so it needs to be a conventional mold.


We are discussing a design WITH LUBE GROOVE!

The last drawing DKF posted was the jacketed Hornady 147gr XTP HP that he based his previous drawings on. I believe he posted the Hornady XPT drawing to show the difference between the jacketed XTP, and his heavier cast bullet designs. Basing his designs a jacketed XTP with a heavier cast lead bullet allowed him to greatly reduce the long, boat-tail like bevel base on the XTP. IMO

BTW. I don't do any of the coatings, and I'm not interested in a grooveless design either.

Dave

Jack Swilling

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Re: 9mm 147 Grain Bevel Base
« Reply #10 on: January 24, 2015, 09:39:25 AM »
I agree with this:

"I'd be in on a 9mm heavy weight bullet too. I'd like something around 147gr with a flat point, and somewhere around 140gr with a hollow point. I would really prefer a design with one rear driving band and one front driving band, along with one conventional lube groove. "

Sign me up for this ^^^

goodalloy

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Re: 9mm 147 Grain Bevel Base
« Reply #11 on: January 24, 2015, 09:56:27 AM »
Guys,
         This design looks pretty good. However, the front band should be reduced to allow some of the band to be a bore ride diameter. This would greatly help chambering in tighter bores when seating out farther than the Hornady. Also be aware that the Hornady seats really low in the case and thus the boat tail on it. 9mm cast does not need to seat as deep. OAL for the 9mm as you all know is 1.169" which with a flat nose would put somewhere around 1.140" as max. Without the reduce for bore ride, You either seat at 1.100" and chamber with no problem or seat farther out and not chamber.
       Seating farther out helps with internal pressure delivery. If one was to mimic the seating depth of the condom bullet you would in turn also have similar pressures. However, if seated out at say 1.135" instead of 1.100" your pressure would be more linear and perhaps not have leading as opposed to running the higher pressure and probably having some leading even if minor.
Just my two cents worth.

Rattlesnake Charlie

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Re: 9mm 147 Grain Bevel Base
« Reply #12 on: January 24, 2015, 10:01:39 AM »
This is sounding like just what I want. 147 as a solid and 140, or a little less, as a hp. I size my 9mm to .358, so would like this to drop just a little larger with range scrap and pure lead mixed 50/50. I definitely want a grease groove. 4 or 6 cavity. And, what goodalloy says makes sense. I've got a carbine that has a very tight throat.

Jack Swilling

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Re: 9mm 147 Grain Bevel Base
« Reply #13 on: January 24, 2015, 10:15:31 AM »
Moving in the right direction

dkf

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Re: 9mm 147 Grain Bevel Base
« Reply #14 on: January 24, 2015, 11:40:57 AM »
Well if a bore rider section is added I may have to bow out depending on the size. That is why I did not buy the 124gr TC NOE ran a few months ago. The nose length as drawn (and on the 147gr XTP) is around .260"- .265" long which should be long enough. Base diameter of the nose right in front of the top band is .356".
« Last Edit: January 24, 2015, 11:48:53 AM by dkf »

 



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