The Rob Allen Double Roller Speargun Muzzle is a replacement or upgrade muzzle for compatible Rob Allen rollerguns. It converts a compatible Rob Allen speargun into a double rollergun, with the bands running around two large sealed rollers for smooth band travel, more power and less drag. This muzzle is aimed at divers who want a longer power stroke from the same gun length.
Key features
- Two large sealed rollers on ceramic bearings for smooth band travel
- Longer power stroke from the same gun length while keeping recoil low
- Rigid, low-profile muzzle body
- Supplied with anchor loops and assembly hardware
Specifications
- Product type: double roller speargun muzzle
- Bearings: ceramic, two rollers
- Supplied with: anchor loops and assembly hardware
How to use and care
Fit the muzzle only to a compatible Rob Allen speargun and follow the assembly sequence carefully, as the muzzle carries the full band load when the gun is cocked. After every dive, rinse the muzzle and rollers in fresh water, let them dry, and check that the rollers still turn freely. If you are unsure whether your gun can take a double roller muzzle, contact us with the model and length before ordering.
FAQ
Will it fit my speargun?
It is designed for compatible Rob Allen rollerguns. Send us your gun model and barrel length and we will confirm before you order.
Why use two rollers instead of one?
The bands run around two rollers, which gives a longer power stroke from the same gun length while keeping recoil low.
Are the fittings included?
Yes, it is supplied with anchor loops and assembly hardware.




















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