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Old 02-09-2011, 05:42 AM
Missionary Missionary is offline
Join Date: May 2009
Location: Arequipa, Peru
Posts: 202
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Good morning
For plinking and below max loads of slow powders a Mag primer seldom makes much of a difference. Benchrest shooters and "Machine" shooters might see a slight accuracy difference.
If you have no intention of loading 296 or H110 or similar powders in 357 than use them up.
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