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Posted: 1/12/2010 6:58:00 PM EDT
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I am helping a neighbor build an AK-74 using a virgin barrel. We just pressed the barrel into the tunnion and it seems that it went in very easy. The barrel can be moved by hand with a good bit of force? Is this too loose? Will the barrel pin hold the headspace?
The kit and barrel came from APEX. We did use anti-sieze during the install. My G-kit was much harder to press in. |
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You shouldn't be able to move the barrel with your hand. That's not a good thing.
Pull the barrel and take some measurements. The barrel should be a press/interference fit, meaning a few thousandths larger than the trunnion. Check for a cracked trunnion also. Sometimes you get a barrel that's 1-2 thou. smaller and/or trunnion 1-2 thou. larger. Call Apex and tell them what's going on. |
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