re: AR15 purchase

quote:

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Put enough high pressure rounds through anything and it will eventually fail.

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Absolutely, but it's that "enough" word that's the issue for 99.99% of gun owners. We'll never shoot out a non stainless barrel, we'll never fatigue a bolt until it fractures. Before the shift to M4s I saw some ragged out A2s and A3s in the Army that had been around a long time and had a lot of abuse, and it all still shot. Most people don't have the time and they're not interested in spending that much money on the 10s of thousands of rounds it would require to break a non-maintenance item on an AR.

Lucky Gunner abused the hell out of these Bushmasters for an ammo test, and the only failures were operational (stuck brass, failure to feed, etc). And none of those even happened with good ammo.

Federal: 10,000 rounds, 0 malfunctions.
Brown Bear: 10,000 rounds, 9 malfunctions (5 stuck cases, 1 magazine-related failure to feed, 3 failures to fully cycle)
Wolf: 10,000 rounds, 15 malfunctions (stuck cases)
Tula: DNF (6,000 rounds in alternate carbine, 3 malfunctions)

https://www.luckygunner.com/labs/brass-vs-steel-cased-ammo/