Madbull Black Python Inner Barrel 6.03mm New Version (363mm)
Posted by Unknown Thu Sep 06, 2012
I heard lots of bad review about this but I thought i give it a try.. This is the Version II that i received. I installed this to my ICS M4 and it improved the grouping drastically..
Cheaper than other tight barrels
Increases fps by 5-10 fps
did i mention cheap..
Needs to be properly installed.
Leave a comment or question about this product