FeaturesMetal constructionIncludes everything except the HOP nubReplacement original partsGreat source of little bits that have been lost!Package Incl...
Hop-up chamber and bucking mainly provide backspin to BBs as they exit barrel to increase flight duration and therefore range, whose proper adjustment...
Airsoft pro Full CNC M4 HopUp chamber set- Gen.3.The third generation of the popular CNC chambers for M4 series. We did several dimensional adjustment...