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Old January 27th, 2008, 21:01   #3
CDN_Stalker
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Join Date: Jul 2003
Location: Ottawa, Ont.
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Any chance your hop up unit has undergone some work recently? If the little clip that holds the barrel to the hop up unit is evena bit cracked, it'll allow the inner barrel to move a bit forward, causing double feeding. Found that in my MP5, fixed it all up and instantly got semi shots every time.
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