My new MM460-405

Highland Drifter
Posts: 7
Joined: Sun Jan 03, 2010 2:17 am
Location: Northern Utah

My new MM460-405

Postby Highland Drifter » Fri Feb 26, 2010 7:20 am

This mold was made for my 458 SOCOM. I set the dimensions to fit the chamber throat, AR-15 magazines, and the 458 SOCOM's short cast neck. Pictured is rounds loaded in a slightly modified P-MAG 20 and a 223 REM for comparison.

Brian
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mtngun
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Posts: 1599
Joined: Fri Feb 01, 2008 5:45 pm
Location: Where the Salmon joins the Snake

Re: My new MM460-405

Postby mtngun » Fri Feb 26, 2010 8:06 am

Beautiful.

How is the recoil ?

Highland Drifter
Posts: 7
Joined: Sun Jan 03, 2010 2:17 am
Location: Northern Utah

Re: My new MM460-405

Postby Highland Drifter » Fri Feb 26, 2010 10:25 am

Dan,
Recoil is not bad with this rifle, not as bad as the loads I'm shooting in my Marlin Guide Gun. The upper is a Rock River basic 16" 458 SOCOM assembly. I assembled the lower with an ACE stock and a Geissele SSA trigger. With the small amount of shooting and chronographing I've been able to do this winter I can say my 458 SOCOM loads are not up to where I want them yet. There is little published load data for this caliber and very little pressure testing. Most data I've seen make reference to being developed on Quick Load. I'm taking things a little slower than normal. I've got several new loads sitting at home waiting until my shooting spot out in the west desert isn't so muddy.

Brian


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