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Old March 29th, 2009, 21:52   #4
aka coachster
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Join Date: Mar 2008
Location: T dot
Originally Posted by Amos View Post
Try a smear test with them. Get a piece of construction paper and smear the BB across it... I've heard of madbull BB's leaving an awful amount of residue (this will also get left in your barrel)
there is a little bit of markings when the smear test is done. the madbull TB is still clean. The guys last night can tell you that I went through plenty of round too. I do use a mix of tracers and regulars (bastards/metal techs) though so the regulars might be helping keep the barrel clean.

I will confirm this sometime the next week or two when I break the AK down to install a Modify s90 spring.

Last edited by coach; March 29th, 2009 at 21:54..
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