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hill  High Volume Gauge Port for ALL Benjamin Marauder and Benjamin Armada RIFLES – ALL calibers


+ Custom made in the USA.

+ Made from a solid piece of aluminum, using precision CNC machinery. 

+ Anodized to prevent corrosion.

+ The internal volume is larger than a stock gauge port, which allows for more air space inside the pressure tube.

+ Great addition for most regulated applications.

Package includes:  1- hill high volume gauge port, 3- o-rings, and free shipping within the USA


For assistance with any questions that you may have,  feel free to email Tim at:


Price: $56.98