My reason for not running steel case on some guns is the residue and potential for build up and damage.
Steel cases do not expand at the same rate as brass cases do. Residue from burning powder is more likely to foul the chamber. This was more prevalent on older steel cases that were lacquered and also used the red sealer around the bullet and primer (older Wolf ammo).
Brass cases, being softer and more maleable, are less likely to cause accelerated wear on extractors.
I run steel cased ammo exclusively on SKS' and AK's, and used to run it and brass in a HiPoint 4595TS until I sold it. I used to run Tula .223 in my Mini 14 until this happened....



I ran lots of Tula through my Mini for years before this failure happened, and I thought I did a good enough job cleaning the chamber (kind of a pain on a Mini). But even with poly coated steel cases the residue built up.
I know many people who run Tula with no probs. More power to 'em, but I've already been bitten once. I'll stick with brass.
Steel cases do not expand at the same rate as brass cases do. Residue from burning powder is more likely to foul the chamber. This was more prevalent on older steel cases that were lacquered and also used the red sealer around the bullet and primer (older Wolf ammo).
Brass cases, being softer and more maleable, are less likely to cause accelerated wear on extractors.
I run steel cased ammo exclusively on SKS' and AK's, and used to run it and brass in a HiPoint 4595TS until I sold it. I used to run Tula .223 in my Mini 14 until this happened....



I ran lots of Tula through my Mini for years before this failure happened, and I thought I did a good enough job cleaning the chamber (kind of a pain on a Mini). But even with poly coated steel cases the residue built up.
I know many people who run Tula with no probs. More power to 'em, but I've already been bitten once. I'll stick with brass.


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