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Need some reloading information for 458 Lott

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03 February 2012, 14:26
Ingvar J. Kristjansson
Need some reloading information for 458 Lott
I’m reloading for my CZ 550 458 Lott with Hornady 500 gr. DGX and DGS bullet....I am using VV N-140 Powder, CCI magnum primers and Norma brass. Can anyone look up in Quick load the velocity and pressure for these following changes:

N-140: 81gr.
N-140: 82gr.
N-140: 83gr.
N-140: 84gr.
N-140: 85gr.

Is there a difference in pressure between the 500 gr. DGX and 500 gr. DGS bullet ?

Thanks guys,
Ingvar Kristjansson
04 February 2012, 07:04
jeffeosso
no data on the powder, it has been MY experience that the dgX got a hair faster than DGS, which defies conventional thinking


opinions vary band of bubbas and STC hunting Club

Information on Ammoguide about
the416AR, 458AR, 470AR, 500AR
What is an AR round? Case Drawings 416-458-470AR and 500AR.
476AR,
http://www.weaponsmith.com
04 February 2012, 07:32
shootaway
I would back down one grain and a half when using the solid.They should still have the same point of impact.I`ve used N-140 but I can`t find my data.I must have had issues or I would have stuck with this.
04 February 2012, 18:14
jeffeosso
George
That us nor ally good advice however the dgs and dgx are exceptions. Same core cup and jacket is used and the solid isn't longer


opinions vary band of bubbas and STC hunting Club

Information on Ammoguide about
the416AR, 458AR, 470AR, 500AR
What is an AR round? Case Drawings 416-458-470AR and 500AR.
476AR,
http://www.weaponsmith.com
05 February 2012, 17:41
shootaway
quote:
Originally posted by jeffeosso:
George
That us nor ally good advice however the dgs and dgx are exceptions. Same core cup and jacket is used and the solid isn't longer
Thanks Jeff.I`ve used the DGS and DGX with the same powder charge with no issues.I got the idea to back off a grain and a half when i was developing loads with the 550gr Woodleigh bullets for my lott.I found that reaching high energies with the 550`s was a sensitive thing that would create too much pressure with the same charge as used on the soft.That said I still don`t trust solids.I see the way they can foul-up a bore and the effort it takes to remove a streak of steel and copper(or whatever it is)on the lands.