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Old 08-24-2019 | 02:47 PM
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bronko22000
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Originally Posted by Idaholewis
Bronko, How could it be different?

Here are SAAMI Specs for a few of the more popular, Notice the similarities in Bore/Groove Diameters?

.45/70 Government .450 Bore/.456 Groove
.450 Marlin .450 Bore/.456 Groove
.458 Lott .450 Bore/.458 Groove
.458 Win Mag .450 Bore/.458 Groove



I thought the groove diameter of the ML is smaller than the groove dia of centerfire rifles.
Last edited by bronko22000; 08-24-2019 at 02:53 PM.
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