Dr. Black 6.01 113mm Aluminum Inner Barrel for 5.1 Hi Capa

Dr. Black's 5.1 Inner Barrels are made out of aluminum for lightweight and durability!  They are the only colored inner barrels on the market, and match perfectly with the Dr. Black Dinging Outer Barrel.  Available in 13 different colors!

PDI Raven 6.01mm Steel Inner Barrel for Tokyo Marui Gas Blowback Pistols (Length: 95mm / Hi-CAPA 4.3), Accessories & Parts, Gas Gun Parts, Inner Barrels (Gas Guns) - Airsoft Superstore

KIC Airsoft Shop Product List (category=112)

Airsoft Inner Barrels High Performance Inner Barrels

Dr.Black Inner Barrel 113mm - Red

Unicorn Airsoft 6.03 NITROFLON Coated Brass Inner Barrel for Tokyo Marui GBB Airsoft Guns (Length: 123mm), Accessories & Parts, Gas Gun Parts, Inner Barrels (Gas Guns) - Airsoft Superstore

DR. BLACK Aluminum Hi-Capa 5.1 Twisted Outer Barrel

Dr Black Outer Barrel for 5.1 Hi Capa, Dinging, - Airsoft Extreme

Outerbarrel + Innerbarrel - BattleFlair BV

Dr. Black 6.01 113mm Aluminum Inner Barrel for 5.1 Hi Capa

KIC Airsoft Shop Product List (category=112)

Unicorn Airsoft 6.03 NITROFLON Coated Brass Inner Barrel for Tokyo Marui GBB Airsoft Guns (Length: 200mm), Accessories & Parts, Gas Gun Parts, Inner Barrels (Gas Guns) - Airsoft Superstore