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Posted: 4/21/2009 6:44:52 AM EDT
| I am building my first upper. I have all my parts and tools needed. The only thing I'm not sure about is how much do I need to torqe the barrel ? Is there a standard amout, will I need to check for head space ?. All my parts are new. DPMS barrel and Bushmaster A3 upper. Thanks Stephen |
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