JOKER DRIVER ZERO RUMELA Darts Barrel

The ultimate refined straight barrel design.

A high-end model from JOKER DRIVER's premium ZERO series.

Based on the classic "MELT", extended length.
Further elevates the precision and performance of straight barrels.

Long 48mm design.
The cut section measures approx. 21.6mm, with about half being straight, gently tapering to enable smooth release and stable flight.

Main cut features widely spaced double ring grooves enhanced with an 11-sided polygonal combination, providing firm grip and unique feel.

The front includes grip-marking cuts that also support gripping.
Simplistic ring cuts combined with vertical and a horizontal cut create two types of cuts allowing for versatile grip styles.

Balanced straight operation and reliable grip; a next-generation standard model.


The ZERO series barrels are hand-finished by JOKER Master craftsmen with ultra-precise machining and polishing to achieve ultimate quality. Made from 95% tungsten, they resist barrel wear. Polished finish has a distinct smooth touch unique to ZERO. Comes with maintenance chamois leather and a 5-year warranty certificate.

Total Length	48mm
Maximum Diameter	7.2mm
Weight	19g
Specification	2BA
Shape	Straight
Material	95% tungsten
Balance	Mid-front / Center / Mid-rear
Country of Origin	Japan
Release/Availability Date	2026/3/30