MJ Arsenal Piston Gravity Bong
MJ Arsenal
The MJ Arsenal Piston Gravity Bong is a compact, modular water pipe crafted from 100% borosilicate glass. Designed for botanical materials, it features a unique piston-inspired mechanical function that utilizes water displacement to create a pressure vacuum for consistent draws. An integrated disc percolator provides thorough water filtration, while a precision-fitted silicone gasket ensures smooth, airtight operation. Standing at 8.75 inches, this device includes a standard 14mm female joint, making it highly compatible with various standard accessories.

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MJ Arsenal Piston Gravity Bong – 8.75″ Glass, Disc Perc
र6,090.72 Converted from USD 63.99 Go to shop ↻ 26-Oct-2026, 5:44 pm
Import taxes or fees may apply.
Piston Gravity Bong
र6,091.67 Converted from USD 64.00 Go to shop ↻ 26-Oct-2026, 2:22 amLearn More
Last Update: July 28, 2026

The MJ Arsenal Piston Gravity Bong is a modular, gravity-based water pipe engineered for the processing of botanical materials. Constructed entirely from 100% borosilicate glass, this unit offers a mechanical, piston-inspired design that utilizes water displacement to manage airflow. By integrating a sliding gravity mechanism, the device creates negative pressure to facilitate controlled and consistent draws. Aimed at users seeking a hands-on filtration experience, the compact two-piece design allows for straightforward disassembly and routine maintenance. A precision-fitted silicone gasket sits between the core and shell, securing the seal to prevent air leaks while allowing smooth, friction-free movement during operation.
Piston-Inspired Gravity Mechanism
The device operates through a mechanical sliding function that relies on water displacement to generate a pressure vacuum. Lifting the inner glass core draws material into the chamber, while pushing it back down forces the cooled output upward. A silicone gasket ensures an airtight seal, maintaining optimal pressure and allowing smooth, continuous operation without air leaks.
Integrated Disc Percolator
Central to the internal filtration system is a built-in disc percolator located within the inner glass core. As the vacuum pressure pulls material through the 14mm joint and into the water chamber, the percolator disperses it for thorough water filtration. This process effectively cools down the output before it travels upward through the mouthpiece.
Borosilicate Glass Construction
Hand-crafted entirely from borosilicate glass, the two-piece modular shell provides high thermal resistance and structural clarity. Standing at an overall height of 8.75 inches with the included glass slide attached, the compact profile is suitable for tabletop use. The easily disassembled glass components allow for straightforward cleaning and long-term maintenance.
Universal 14mm Compatibility
The device is equipped with a standard 14mm female joint, maximizing its versatility for different user setups. While it comes bundled with a removable 14mm glass slide, the universal connection size ensures seamless compatibility with a wide variety of standard third-party accessories and botanical attachments.
What’s in the box?
- 1x Piston Glass Shell
- 1x Piston Glass Core with Disc Perc
- 1x Piston Glass 14mm Slide
- 1x Silicone Gasket
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Tags: 14mm Joint Borosilicate Glass Disc Percolator Female Joint Gravity Bong Made of Glass Modular Design Piston Mechanism Tabletop Bong Water Filtration
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