Madbull Airsoft Daniel Defense licensed Aluminum Outer Barrels for M4/M16

Madbull fully licensed Daniel Defense airsoft Cold Hammer Forge Barrels are exact replicas which feature authentic engravings stating the make, caliber, and rifling of the barrel. Madbull Daniel Defense barrels features eight models in carbine length, three models in mid-length, and one model in full or rifle length system. Daniel Defense, famous for its rail systems and its cold hammer forged barrels, has produced high quality barrels through their refined hammer forging process ensures that the barrels are produced virtually defect free, like Madbull's own fully licensed replicas. How to choose the right outer barrel for your custom AEG?MadBull provide the most completed product line of outer barrels for Airsoft industry. Since we have so many different variations, we think its time to provide detail information for Airsoft players. This information is very useful and will help you to find out correct combination!(1) Gas port locationJust like real gun, our outer barrel has fake gas