Crusader Arms Crypto

Factory built rifle.... Had a big issue today. After 400 rounds or so through the rifle the barrel nut came loose on me.

I've never touched it. Kinda surprised. Could be a KB waiting to happen
 
Factory built rifle.... Had a big issue today. After 400 rounds or so through the rifle the barrel nut came loose on me.

I've never touched it. Kinda surprised. Could be a KB waiting to happen
How loose could it get? The notch in the gas tube would keep it from turning. Going to be necessary to move the gas tube to pull the barrel nut up tight. Wrench and reaction rod needed.
Bolt locks into the barrel extension, so breeching would be unaffected.
 
How loose could it get? The notch in the gas tube would keep it from turning. Going to be necessary to move the gas tube to pull the barrel nut up tight. Wrench and reaction rod needed.
Bolt locks into the barrel extension, so breeching would be unaffected.

The barrel nut has no notches is a low profile type for lazy builders
 
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