https://www.TargetSportsUSA.com/fede...1-p-78473.aspx
Looks like they’re sold out now, but I’ve been using this. Runs fine through several of my AR pistols.
I’m not overly concerned about excessive wear as I don’t shoot a high volume, and it’s spread out over a couple rifles and pistols. Even 1000 rounds isn’t that much. Plus possibly slightly accelerated wear is IMO an acceptable tradeoff for shooting steel vs boring paper.
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Pardon the tardy follow-up; this is pretty close to what we used to use at that place: https://www.ammunitiontogo.com/produ...frangible-ammo which also appears to have the tungsten content in the bullet composition that is one of the main contributors to accelerated wear.
Were information more freely accessible, I'd sort ammunition by external composition and sort out those with an exterior that has greater hardness than baseline copper; but that's not always readily accessible data.
For what it's worth, the round that has the greatest increased rate of throat-erosion and feed ramp wear is the M855A1, given that the protruding\exposed steel penetrator gouges both feedramps during feeding and the higher pressure of the cartridge stresses adjacent parts during firing; but that's separate of the frang concern.
I apologize for not being able to offer specifics.
Jules
Runcible Works
Do you reload? If so, consider loading your own.
https://hi-techammo.com/collections/...ngible-bullets
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To follow up on this, I heard back from the trainers and they said the core requirement is lead free projectiles; no requirement for lead free primers. They specifically mentioned open tip lead free projectiles, an example cited being Barnes TSX, as ok. However, when i was looking, commercial rounds with these projectiles seemed kinda spendy. Perhaps I didn’t look long enough, carefully enough.
Therefore, I grabbed 300 of these https://www.targetsportsusa.com/winc...on-p-3624.aspx after getting the specific ok from them, so i can try them out and see how they work in my carbine before class.
In case you're still looking or will need more later:
https://www.sgammo.com/product/223-5...-rifle-cartrid
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