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I put the new RA TECH hop up in along with the RA TECH TBB. I noticed there is 2 nubs when i look down the barrel. The dial doesnt seem to be moving them up or down too much when i make the adjustments. The hop up is set in correctly. Does the RA TECH hop up need some rounds down it to break in. My VFC SR16 CQB was stiff and wasnt adjusting until about 200 rds. Any Suggestions. Thanks.
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