What primers? I’ve seen some primers that flatten no matter what. Soft cups. Everything I’ve heard about AR10s is that they’re finicky. You try an adjustable gas block? Pics of your brass?
What primers? I’ve seen some primers that flatten no matter what. Soft cups. Everything I’ve heard about AR10s is that they’re finicky. You try an adjustable gas block? Pics of your brass?
An armed society is a polite society
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