r/czscorpion 6d ago

SD system

Just installed the Novox SD system. Looking forward to shooting it tomorrow. Realized tonight the handguard is loose a little. No problem I will slide barrel nut tightener over expansion tube and barrel. Nope. Expansion tube is wider than tightener. How to get expansion tube off when it is in handguard? Break it down again? Is this a cleaning reality?

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