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by potta_coffee 2641 days ago
The reason it's more reliable, in my experience, is that direct impingement system introduces a shit load of fouling into your chamber and all the moving parts. After about 1k rounds, that bolt starts to move slowly from all the fouling, then you'll start to experience inconsistent feeding / ejecting. It's a shitty system and it's about time they've done something about it. The traditional fix is to dump a load of CLP into the rifle...which attracts sand and dust.