To determine the proper neck bushing size measure the outside neck diameter of a loaded cartridge and subtract .002" to .003" to allow for a small amount of brass spring back.
RCBS Matchmaster Competition Full-Length Bushing Die Set .300 Rum
$218.39
1 in stock
MATCHMASTER COMPETITION FL BUSHING SET .300 RUM
1 in stock
Details
To determine the proper neck bushing size measure the outside neck diameter of a loaded cartridge and subtract .002" to .003" to allow for a small amount of brass spring back.
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