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H 335 or Benchmark for 458 Lott
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I will be loading 450g Swift A- Frames and 450 Woodleigh Hydros in my 458 Lott. According to the manuals, both of these powders work with both bullets. Any experience with these?
 
Posts: 1202 | Registered: 14 June 2010Reply With Quote
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I tried H335 in my Lott but settled on IMR4320.
Better grouping and it seemed to me the 335 sent a fire ball out the end of the barrel.
Never tried Benchmark.


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Posts: 2758 | Location: Northern Minnesota | Registered: 22 September 2005Reply With Quote
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458 LOTT 510 WIN--bullet charge---82.5/W748 velocity-----2125


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Posts: 3865 | Location: Cheyenne, WYOMING, USA | Registered: 13 June 2000Reply With Quote
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h335 -- always


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
 
Posts: 39632 | Location: Conroe, TX | Registered: 01 June 2002Reply With Quote
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Posts: 373 | Registered: 11 March 2006Reply With Quote
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H335 is pretty temperature sensitive if that is an issue for you; not sure about Benchmark, but I tested H335 some years ago and got much higher velocities in with hot bullets vs ones very cold.


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Posts: 7577 | Location: Arizona and off grid in CO | Registered: 28 July 2004Reply With Quote
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