Inner Barrel Length: 270mm

This speed loader is able to fit into double stack M4/M16 magazine pouches which makes it easier to carry on the field

see datasheet here

Aluminum AlloyCapacity: 400 roundsGas Type: Green GasManufacturer: AW Custom

Outer Barrel Length: 5"

SS Airsoft Custom HPA LT Archon 7" M-LOK Proline M4 w/ Kythera non blowback Inner Barrel Length: 270mmSS AIRSOFT Custom Built HPA airsoft rifle. We build some of the best custom HPA airsoft replicas you will find on the market. All weapons are test fired, tuned and adjusted to work perfectly right out of the box. This item has been custom installed here at SS Airsoft. Includes, Gun, and Polarstar Kythera Lancer Tactical Gen 2 Archon 7" M LOK Proline Series Polarstar Kythera Semi Auto HPA Engine for V2 Gearbox SS Airsoft IGL Standard Weave Kythera