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Starline 45-70 Brass, 50 count
Package of 50.
Quantity in Stock:
(Out of Stock)
This item is currently on order
New Unprimed Brass.
A note from Starline 45-70 Brass and Black Powder.
Starline strives to hold the closest production tolerances possible on every caliber they produce to ensure the highest quality brass available. All brass is produced within SAAMI specifications and includes special heat treatment processes and designs to enhance strength and longevity.
The 45-70 casing has been tested at elevated pressures suitable for Magnum Heavy Hunting Loads in adequate gun systems. When loading with black powder, annealing of mouth may be necessary to allow case to properly seal chamber due to lower pressures generated by these loads. Reason being is that the case is produced very strong to withstand high pressure loads associated with smokeless hunting loads and since the only way to make brass harder is to work the material; our only option is to leave them stiffer and the customers can anneal for specific application.
How can the case mouth be softened to allow case to properly seal when using black powder in 45-70?
1.) Be aware this is not always necessary. Only if the cases are extremely dirty and a lot of unburned powder is consistently found in chamber would you need to anneal.
2.) First place a case in a proper container filled with approximately 1 inch of water so the case head is submerged in water. (You only want to soften the case mouth and not head area as this can ruin casing strength at the base and primer pocket where case must remain rigid to handle pressure.)
3.) Next heat the case mouth (approx. top 1/2 inch of case) uniformly just to where it begins to turn a dull red and then knock it over into the water. A propane torch is usually used as a heating device.
: Remember if the case gets too hot they are ruined and there is no way to make them hard again. So, try a few out and get a feel for the proper color and softness required for your application. If they get bright red, you probably went too far.
Starline strives to hold the closest production tolerances possible on every caliber produced to ensure the highest quality brass available. All brass is produced within SAAMI specifications and includes special heat treat processes and designs to enhance strength and longevity. Generally speaking, Starline cases require no resizing prior to loading. Due to variances in diameter of different bullet types, it is a good practice to size the case only as far down as the bullet seating depth.
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