280 AI help with 183 Matchkings

Stdrbs14

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Nov 4, 2019
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Anybody using H1000 with the Sierra 183s? I need some info on where to start my ladder test. Also what overall length should I start with?

Thanks
 

Dmagna

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Start at about 59.5 grains then work up. I would either load to max mag length or .020 off, you can fine tune the seating dearth later.
 

Dmagna

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May 30, 2018
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I have shot Berger 175s, 180s, 195s out of mine. Nosler puts their 185 RDF at max at 61.5 of H1000. I shoot 175s with N565 for my personal load.
 
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