30 PC40

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Seddo
.338 Lapua Magnum
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Re: 30 PC40

Post by Seddo »

trevort wrote: Mon May 11, 2020 3:03 pm Thought it was shorter?


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the PPC is about 10 thou shorter.
johno1
7mm Rem Mag
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Re: 30 PC40

Post by johno1 »

This design is fair bit more work Mark, the one I was contemplating was simply running a 30 PPC reamer 0.125" deeper and using the PPC head space gauge into a standard 7.62x39 chamber, its straightens the case wall gives an altered shoulder angle and you just fire form your brass.

I found it when looking for an improved version Benchrest Central have all the details. Using CFE BLK on the standard x39 with 123 grn bullets i'm getting 2,540 fps without pushing the pressure Scott I think the powder would work a treat on your case

Johno
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Seddo
.338 Lapua Magnum
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Re: 30 PC40

Post by Seddo »

I get 2500fps with 123gr projies out of my 6.r grendel and they are super accurate.

I only play with ADI powder, I'm past worrying about supply issues.
johno1
7mm Rem Mag
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Re: 30 PC40

Post by johno1 »

Yes there is that and it looks like there will be no improvement in supply in the future

Johno
Tony Z
.270 Winchester
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Re: 30 PC40

Post by Tony Z »

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mick_762
50 BMG
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Re: 30 PC40

Post by mick_762 »

Cant argue with that.

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Seddo
.338 Lapua Magnum
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Joined: Sat Jan 03, 2009 9:17 am
Favourite Cartridge: Creedmoor
Location: Vic

Re: 30 PC40

Post by Seddo »

I'm not expecting those groups. benchrest beginner right here!!
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trevort
Spud Gun
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Re: 30 PC40

Post by trevort »

Wow


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