The Mannysub Roller Muzzle and Adaptor Package is the perfect modification for your speargun adding smoothness and reliability so you can catch that Kingfish with precision and power! The new inline design by Mannysub is slim profile, lightweight, functional, well-constructed but most importantly, ACCURATE!

With the elimination of recoil and generating more than double the power for a given barrel length, the Mannysub Roller Muzzle offers higher accuracy, penetration, range and manoeuvrability.

With several sizing options for the adapter, this allows you to choose a size that is best suited to the internal diameter of your speargun barrel. Acetal adapter with O rings for the Mannysub single and double roller muzzles, designed to fit a lot of different speargun barrels in the market. If you choose to cut the barrel down to fit the Roller Muzzle, you don’t need to replug the barrel as these adapters come with two O rings that will seal the barrel for you.

Bearings are lightweight and have low friction for maximum power transfer. The bearings are made from encapsulated glass balls to stop sand and saltwater damage.

Mannysub Roller Muzzle and Adaptor Package Features:

• Roller muzzle
• Adapter to fit any size of speargun
• Inline design
• Glass Bearings

Common Setups with Roller Muzzle:

A speargun equipped with the Mannysub Roller Muzzle uses 100% of the barrel length to propel the spear. Pre-tensioned rubbers and a greater rubber-stretch to spear-weight ratio yield significantly more power. Tests show a speargun with a Roller Power Muzzle and a single 16 mm rubber will outperform a traditional speargun of the same size, with a double 16 mm rubber.