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!
Maple Leaf Hop Up Chamber Set with 113mm 6.01 Inner Barrel for Marui W – Armsaholic
Outer & Inner Barrels - Airsoft Store
HI CAPA 5.1 GBB Parts? – tagged “GBB” – Page 7 – SIXmm (6mm)
Aqua Archives LA Capa Customs
Hoogwaardige Hi-capa upgrades alles naar jouw wens!
Dr.Black - BattleFlair BV
Dr. Black 6063 Aluminum 6.01 Inner Barrel for Hi-Capa 5.1 (113mm) – Bang Bang Airsoft
Angel Custom CNC Aluminum Fluted Outer Barrel for TM / AW Custom Hi-Capa 5.1 Series Airsoft GBB Pistols (Color: Gold), Accessories & Parts, Gas Gun Parts, Outer Barrels - Airsoft Superstore
Hi Capa Upgrades Custom Hi-Capa Parts
Dr.Black 6063 Aluminum 6.01mm Inner Barrel For Hi-Capa 5.1 GBB Airsoft ( 113mm/ Orange)) - eHobbyAsia
LA Capa Customs 5.1 Aluminum Tornado Outer Barrel for Hi Capa
Dr.Black Dr. Black 6.01 113mm Aluminum Inner Barrel for 5.1 Hi Capa - BattleFlair BV
BattleFlair BV - Jouw exclusive hicapa shop! - BattleFlair BV
Dr Black Outer Barrel for 5.1 Hi Capa, Dinging, - Airsoft Extreme