Home » Airsoft Parts / Inner Barrel » WII TECH Long Inner Barrel Set ( 6.03mm x 380mm ) For Marui TM M870
WII TECH Long Inner Barrel Set ( 6.03mm x 380mm ) For Marui TM M870
WII TECH Long Inner Barrel Set ( 6.03mm x 380mm ) For Marui TM M870
WII TECH Long Inner Barrel Set ( 6.03mm x 380mm ) For Marui TM M870
WII TECH Long Inner Barrel Set ( 6.03mm x 380mm ) For Marui TM M870
WII TECH Long Inner Barrel Set ( 6.03mm x 380mm ) For Marui TM M870
WII TECH Long Inner Barrel Set ( 6.03mm x 380mm ) For Marui TM M870
WII TECH Long Inner Barrel Set ( 6.03mm x 380mm ) For Marui TM M870
WII TECH Long Inner Barrel Set ( 6.03mm x 380mm ) For Marui TM M870
SKU: WII-4032

WII TECH Long Inner Barrel Set ( 6.03mm x 380mm ) For Marui TM M870

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WII TECH
In stock
Expect your order to ship shortly
HK$528.00
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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.


  • Vendor WII TECH
  • SKU WII-4032

Disclaimer: Upgrading airsoft guns require necessary skill & technique, manual modification is necessary, consult expertise if needed.

Buyer Notice: Airsoft Quality Standards

  • Component Play: Minor wobble or shifting is normal.
  • Cosmetic Variance: Slight surface scratches or dents may occur.
  • Performance Standard: These characteristics do not affect product functionality.