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This 380mm long barrel set fits M870 (T.Marui) Tactical Shotgun only.
It increases the shooting power about 20%. This set consists of 3 copper 6.03mm inner barrel, and they are secured by aluminium mounts.
| SKU | WII-4032 |
|---|---|
| Manufacturer / Brand | WII TECH |
| Color | Copper |
| Major Built Material | Copper 6.03 barrel and aluminium mounts. |
| Size | N/A |
| Disclaimer | Upgrading airsoft guns require necessary skill & technique, manual modification is necessary, consult expertise if needed. |
