Accessories for Pneumatic Spearguns

Air Injector for Salvimar Pneumatic Spearguns

Air injector specifically designed for manually refilling air in Salvimar pneumatic spearguns.

This accessory allows efficient, direct air loading, ensuring precise and safe refilling to maintain speargun power during freediving or spearfishing.

Complete O-ring Kit for SL Pneumatic Spearguns

This kit contains all the O-rings needed to replace and rebuild older-generation SL pneumatic spearguns. It is specifically designed to maintain a watertight seal and ensure the mechanical efficiency of the pneumatic system.

Replacing the O-rings is essential for preserving optimal pressure during loading and air release, ensuring smooth, consistent power transmission over time.

Technical Features

• Compatibility: older-model SL pneumatic spearguns
• Material: technical rubber resistant to wear and saltwater
• Includes all seals required for a complete rebuild
• Makes maintenance easier to help maintain the speargun’s accuracy and power

Using this kit helps extend the service life of the pneumatic speargun, preventing air leaks and increasing stability during the shot—key factors for spearfishing and recreational freediving.

6.5 mm Stainless Steel Rocker Wrench for Hunt Shanks

The special 6.5 mm rocker wrench is made from stainless material to ensure mechanical strength and long-lasting durability in the underwater environment. This non-standard tool is specifically designed for optimal tightening of the Hunt shank, while preserving the hexagonal geometry essential for proper fastening.

Thanks to its rocker configuration, it ensures uniform and precise force transmission, reducing the risk of damage to the shank during maintenance or assembly of the pneumatic shaft.

Technical Features and Benefits

• 6.5 mm hex diameter, non-standard type for specific Hunt shanks
• Stainless steel material, providing high corrosion resistance in marine environments
• Rocker shape for controlled tightening that preserves the shank geometry
• Suitable for use with pneumatic spearfishing shafts, preserving the system’s mechanical functionality

Applications

An essential tool for freedivers and spearfishers performing maintenance or modifications on Hunt pneumatic shafts. It optimizes component durability by ensuring proper, secure tightening without deforming the mechanical elements.

Salvimar 45° Kit for Pneumatic Speargun Shafts

The Salvimar 45° Kit consists of a tailpiece and washer designed specifically for pneumatic speargun shafts used in spearfishing guns.

The kit is compatible with shock-absorbing bushings with a 9.0 mm internal diameter, ensuring perfect integration with the shaft launch system.

Technical features

• Available in two diameters for a precise match with specific speargun models:
• 7.0 mm – suitable for the Predathor Vuoto speargun
• 7.5 mm – designed for the Dark Side speargun

This kit allows reliable shaft assembly, ensuring efficient power transmission during the shot and delivering smooth, precise tracking of the speargun.

Kit for X-Power 3.0 Spearguns

The Kit for X-Power 3.0 Spearguns is a modular system specifically designed to ensure the watertight seal of the vacuum muzzle on pneumatic spearguns. Used in combination with the X-Power Shaft Kit, it provides a reliable seal, improving the efficiency of the speargun.

Technical Features

• Tubular element made of anticorodal aluminum, known for its light weight and mechanical strength, ideal for use in underwater environments.
• Shock-absorbing bushing in sound-dampening elastomer, specifically designed to absorb vibrations and optimize comfort during use.
• End thread that allows the sleeve of the X-Power Shaft Kit to be screwed on, ensuring a strong and precise connection.
• Compatible with X-Shaft free shafts and traditional shafts with tang, offering versatility in shaft selection.
• Available for pneumatic spearguns of various brands and models, with 11 mm or 13 mm barrels.

Benefits for Freediving and Spearfishing

The modular structure and selected materials ensure a reliable watertight seal, essential for maintaining pneumatic efficiency during freediving and spearfishing. Anticorodal aluminum provides an excellent balance of light weight and mechanical strength, while the sound-dampening elastomer improves operational smoothness and reduces vibrations, optimizing comfort during extended use in the water.

Compatibility with different types of shafts allows extensive gear customization, adapting to the specific needs of the freediver or spearfisher. The option to choose between 11 or 13 mm barrels makes the kit suitable for a wide range of pneumatic speargun configurations.

Pressure gauge with integrated refill valve for pneumatic spearguns

Specific pressure gauge for checking pressure in Cressi SL, Cyrano, and Sten pneumatic spearguns. Designed to ensure an accurate, reliable reading of charging pressure, essential for adjustment and safe underwater use.

Technical features

• Integrated refill valve: allows simple, direct air management during the speargun charging phase.
• 0/40 bar scale: provides accurate pressure measurement, allowing detailed control and optimal charging.

The pressure gauge construction ensures durability and mechanical resistance, essential for the marine environment and the stresses of spearfishing. The instrument’s easy-to-read display helps maintain safety and effectiveness when using pneumatic spearguns, optimizing power management and shot accuracy.

STC Universal Bushing for Standard Shafts

The STC universal bushing is made from acetal resin, a material known for its high mechanical strength and lightweight properties, ideal for use in spearfishing and freediving.

Designed to ensure quick and easy installation, this bushing screws directly onto the shaft without the need for tools, making assembly and disassembly easier during underwater activity.

Compatibility and Sizes

• Compatible with the X-Power 1.0 system
• Available for shafts with diameters: 6.5 mm, 6.75 mm, 7.0 mm, 7.5 mm, 8.0 mm

The STC universal bushing for Standard shafts ensures directional accuracy during freediving, improving orientation and underwater navigation.

Cressi Spare Part Piston for SL/Star Pneumatic Spearguns

Original Cressi Spare Part designed to ensure maximum efficiency and reliability in SL and Star pneumatic spearguns. This spare piston is engineered to provide optimal sealing and mechanical resistance, essential for maintaining shot power and accuracy in spearfishing.

Compatible with Cressi SL and Star pneumatic models, it allows you to quickly restore proper speargun function while maintaining the original factory technical specifications.

XLUBE PTFE Spray Lubricant for Pneumatic Spearguns - 30 ml

XLUBE is a spray lubricant formulated with 98% PTFE, specifically designed for the maintenance of pneumatic spearguns used in freediving and spearfishing.

Only a minimal application is required to ensure effective cleaning of the mechanical components, preserving their functionality and ensuring optimal operating performance.

Technical Features

• PTFE (polytetrafluoroethylene): a plastic material that significantly reduces noise generated by the movement of lubricated components, improving quiet operation underwater.
• Forms a Teflon microfilm inside the barrel, optimizing piston expulsion speed and positively affecting the speargun’s responsiveness and accuracy.
• Long-lasting lubrication, helping maintain optimal operating conditions for up to three times longer than conventional lubricants.
• High resistance to mechanical stress and the typical workload of freediving use.

Applications and Benefits

XLUBE is recommended for use on pneumatic spearguns, improving tracking smoothness and minimizing internal noise and friction during freediving and spearfishing sessions.

The 30 ml bottle is practical and easy to carry, making periodic speargun maintenance easier even with frequent dive sessions.

Stainless Steel Ring for Tahitian Shafts

This stainless steel ring is specifically designed for use on Tahitian shafts, ensuring strength and corrosion resistance in the marine environment.

The component features an 8.00 mm diameter, a standard size that ensures optimal, secure mounting on the shaft.

STC Universal Bushing for X-Shaft Free Shafts

The STC universal bushing is made from acetal resin, a material known for its high mechanical strength and low weight—essential characteristics for optimizing trim and practicality in the water during spearfishing.

Compatible with the X-Power 1.0 system, this bushing is designed to ensure fast, easy installation with no tools required. It is secured by screwing the component directly onto the shaft, allowing efficient installation and removal as part of your spearfishing equipment setup.

Technical specifications

• Material: acetal resin, for a balanced area between strength and lightness
• Compatibility: X-Power 1.0 system
• Available for shafts with diameters: 6.5 mm, 6.75 mm, 7.0 mm, 7.5 mm, 8.0 mm
• Attachment: quick screw-on installation with no tools required

This bushing is an essential accessory for anyone using X-Shaft Free shafts in spearfishing, ensuring ease of use and optimized in-water efficiency thanks to reliable materials and practical installation ergonomics.

Spare Part Pin for Mares Pneumatic Speargun Line Release

Spare Part specifically designed for the line release mechanism on Mares pneumatic spearguns, essential for ensuring reliable and safe operation during spearfishing.

Made with durable materials, this pin ensures proper retention and smooth release, key elements for maneuvering and managing the line while freediving.

Compatible exclusively with Mares pneumatic spearguns, it allows quick and easy replacement while preserving the technical characteristics of the original release system.

Spare Part OR87 Bushing for Mares Pneumatic Spearguns

The OR87 bushing is an original Spare Part component designed specifically for Mares pneumatic spearguns. This stop bushing ensures correct shaft positioning and stability inside the pneumatic speargun, supporting proper operation of the firing system and maintaining the mechanical efficiency of the underwater weapon.

Made from durable materials, the OR87 bushing is engineered to provide long service life even in marine environments, resisting the corrosion and wear typical of saltwater use. Its precise construction helps maintain the speargun’s balanced trim, which is essential for smooth power transfer and optimal control during freediving and spearfishing.

Race Slide Ring Mares

The Race Mares slide ring is a hydrodynamic, compact component designed specifically for spearfishing and freediving. It is available in versions for 7.0 mm and 8.0 mm diameter shafts, ensuring a perfect fit for the needs of any speargun.

Its optimized shape helps reduce water resistance during the shot, improving the smoothness and precision of force transfer to the shaft. This results in better tracking control and greater speargun efficiency.

Made from strong, lightweight materials, the Race slide ring ensures long service life and reliable use underwater, without compromising the handling and overall balance of the equipment.

Main features:

• Compatible with 7.0 mm and 8.0 mm shafts
• Hydrodynamic design to minimize drag in the water
• Compact and lightweight to improve speargun balance
• Durable materials for long service life in the marine environment

Kit for X-Shaft Free Shafts – X-Power 1.0

The Kit for X-Shaft Free Shafts – X-Power 1.0 is a threaded bushing made from acetal resin, specifically designed to ensure the vacuum watertight seal of the muzzle when paired with the Kit Fucile – X Power 1.0.

The kit includes:

• One threaded bushing with washer seat and shaft pass-through hole
• Two sealing gaskets to ensure watertightness
• One slide ring complete with stoppers for proper shaft positioning

The technical features of the bushing include a dedicated front seat for the washer and an optimized hole for shaft passage, ensuring rigidity and stability during the shooting phase in spearfishing.

Quick and easy installation

The end-piece assembly and disassembly operations can be performed without tools, thanks to a threaded system that allows the bushing to be screwed and unscrewed directly from the muzzle quickly, improving convenience during maintenance and speargun preparation.

Compatibility

The kit is available for shafts with a diameter of 6.5 mm and 6.75 mm, allowing you to choose the solution best suited to your precision and power requirements in spearfishing.

Premium Pressure Gauge - Hunt Technology

The Hunt Technology Premium Pressure Gauge is an essential accessory for anyone using pneumatic spearguns and wanting full control of preload pressure at all times. Handcrafted in Italy by Hunt Technology, a Tuscan benchmark company in the spearfishing sector, this pressure gauge stands out for its high build quality and reading accuracy.

Construction and Materials

Manufactured from solid stock using CNC machining, the Hunt Technology pressure gauge ensures strength, lightness, and premium-quality finishes. The use of CNC-machined aluminum provides resistance to marine corrosion and long service life, even under intensive use in saltwater.

Operation and Compatibility

The pressure gauge is designed to allow quick and accurate checking of the speargun’s internal pressure. Its dual-function system makes it especially versatile and practical for everyday use in the field:

• Rear valve: allows the speargun’s original pump to be connected, making it possible to preload and check the internal pressure at the same time
• Front pin: directly opens the speargun valve, allowing the preload pressure to be read even without connecting the pump at the rear

Why Choose the Hunt Technology Pressure Gauge

• CNC machining from solid stock for maximum precision and strength
• Aluminum body: strong, lightweight, and corrosion-resistant
• Dual pressure-checking system: with or without the pump connected
• Rear valve compatible with original speargun pumps
• Front pin for direct opening of the speargun valve
• Handcrafted production Made in Italy — Hunt Technology, Certaldo (FI)
• Exclusive-quality finishes, consistent with the entire Hunt Technology range

The Hunt Technology Brand

Hunt Technology is a Tuscan artisan company founded by Paolo Dainelli, an expert and passionate spearfisherman. Every Hunt product is the result of constant attention to detail and excellent workmanship, exclusively Made in Italy. The premium pressure gauge reflects the brand’s philosophy: high-quality technical accessories designed for demanding spearfishermen.

Release Tooth for Pneumatic Spearguns - Hunt Technology

The Hunt Technology Release tooth is the go-to replacement part for anyone looking to improve the shooting performance of their pneumatic speargun. Made from AISI 316 stainless steel and fully polished on all surfaces, it ensures smoother loading and trigger release compared to original teeth, which are often not stainless steel and are prone to oxidation and wear over time.

Construction and Materials

• AISI 316 stainless steel: maximum corrosion resistance in marine environments
• Full polishing on all sliding surfaces, both on the sear tooth that engages the piston and on the area that works against the trigger pin
• Drastically reduced friction coefficient compared to oxidized or worn original components
• High-quality handcrafted finish, typical of Hunt Technology production

Technical Features

• Supplied complete with rear post for spring housing
• Spring not included: the original spring from your oil-pneumatic speargun must be used
• Original geometries maintained to ensure shooting safety and reliability
• Compatible with oil-pneumatic spearguns from various brands

Real Benefits for Loading and Shooting

The choice to maintain the original geometries and spring is a precise technical decision: the factor that truly affects trigger pull weight is the friction coefficient on the mechanism’s working surfaces. With the polished AISI 316 Hunt tooth, both the piston engagement area and the trigger pin contact area are optimized, delivering the maximum result achievable with this type of modification without compromising the safety of the mechanism.

Recommended Pairing

To achieve unmatched shooting smoothness, the Hunt Release tooth is ideal when paired with the 1.5 mm Hunt Pin Kit for pneumatic spearguns, also made with high-quality components designed to work in synergy with this replacement part.

Predathor Charging Valve Removal Tool

The Predathor charging valve removal tool is designed to ensure simple, safe maintenance of pneumatic spearguns for spearfishing. This tool allows precise, practical operation when removing the charging valve, improving efficiency during technical service procedures.

Made from durable materials, it ensures long-lasting, reliable use and makes maintenance procedures on pneumatic spearguns easier.

Salvimatr Anodized Aluminum Muzzle for Predathor Spearguns

The Salvimatr muzzle for Predathor spearguns is made from anodized aluminum, ensuring high mechanical strength and corrosion protection in marine environments. This muzzle is supplied complete, including all essential components for immediate and secure installation.

• Wishbone
• Sealing gasket
• Muzzle body
• Shock-absorbing bushing

The integrated design ensures proper hydraulic sealing and shock absorption during tracking, helping maintain the speargun’s accuracy and reliability.

The muzzle is specifically designed to be compatible with Predathor 13 barrel spearguns, ensuring perfect interchangeability and installation without modifications.

Wishbone Adapter for Mares/Cyrano EVO HFT Kit - STC Italia

The STC Italia Wishbone Adapter is a nylon bushing specifically designed to allow the X-Power system to be installed on Mares Cyrano EVO HFT pneumatic spearguns. It is an essential connecting component for anyone who wants to install or complete an X-Power muzzle kit on this specific speargun series, ensuring a precise and reliable fit between the original wishbone and the main module of the STC system.

Function and compatibility

This adapter was developed to correctly connect the wishbone geometry of Mares Cyrano EVO HFT spearguns with the STC X-Power muzzle system. The technical nylon bushing ensures a stable connection that is resistant to marine corrosion and free from unwanted vibration. It is a key element for the complete assembly of the X-Power muzzle on this speargun series.

• Component designed for Mares Cyrano EVO HFT spearguns
• Made of technical nylon resistant to marine environments
• Ensures a precise connection between the wishbone and the X-Power module
• Essential for the complete installation of the STC muzzle kit
• High resistance to saltwater corrosion
• Low weight, without compromising the solidity of the fit

The STC Italia X-Power system

The STC Italia X-Power system is a high-performance vacuum conversion kit for pneumatic spearguns, designed to increase shot speed, reduce noise, and improve accuracy. To assemble a complete X-Power muzzle, the following are required:

1. X-Power Speargun Kit (includes adapter, main module, and damping bushing)
2. X-Power Shaft Kit (standard or free)

This wishbone adapter is the component that makes it possible to interface the original Mares Cyrano EVO HFT muzzle with the main module of the X-Power system, ensuring mechanical compatibility and optimal sealing during spearfishing sessions.

Why choose STC Italia components

STC Italia is a leading Italian company in the field of high-performance accessories and components for pneumatic spearguns. Its products are internationally recognized for build quality, machining precision, and compatibility with the leading brands in the industry. The use of technical materials such as high-strength nylon ensures long service life and reliability even in the most demanding conditions.

Plastic Adapter for Airbalete - STC Italia

The STC Italia plastic tubular adapter is the dedicated component for Omer Airbalete pneumatic spearguns, designed to ensure a perfect seal on the speargun barrel in all underwater use conditions. An integral part of the X-Power STC system, this adapter is an essential spare part for anyone who wants to keep their speargun efficient and high-performing at all times.

Composition and materials

• Tubular adapter made of high-strength technical plastic
• Sold complete with 2 silicone o-rings for sealing against the barrel
• Compatible with Omer Airbalete pneumatic spearguns
• Original STC Italia component, a brand specialized in vacuum systems for spearfishing spearguns

Function and use

The adapter plays a key role in ensuring a watertight seal on the barrel of the Omer Airbalete speargun, a critical element for the proper operation of the X-Power system. The two included silicone o-rings provide an effective, long-lasting seal, protecting the inside of the barrel from water ingress and ensuring maximum reliability during spearfishing.

Compatibility

• Omer Airbalete pneumatic spearguns (all sizes)
• Ideal as a spare part or for completing/restoring the X-Power STC kit

The X-Power STC system

STC Italia is the leading Italian brand for vacuum conversion systems for pneumatic spearguns. The X-Power system eliminates water from the speargun barrel, reducing friction at the moment of the shot and increasing shaft speed, power, and shot accuracy with the same pre-charge. The adapter is one of the key components of this system, and its correct installation and maintenance are essential for the overall performance of the speargun.

Vacuum Muzzle Installation for Pneumatic Speargun

The vacuum muzzle installation service allows you to receive your pneumatic speargun with the muzzle already installed, ready for use in spearfishing. This service includes only the professional labor for installing the muzzle, leaving the freediver with only the task of getting ready for spearfishing.

Important note: the vacuum muzzle is not included in the service and must be purchased separately. Please make sure you have added the muzzle to your cart together with the installation service.

Measuring and Charging Kit for Pneumatic Spearguns

This measuring and charging kit is specifically designed for pressure management in pneumatic spearguns used in spearfishing and freediving. It includes essential components for accurate and safe control of your speargun’s internal pressure.

Kit Components

• Pressure gauge for precisely monitoring reservoir pressure.
• Overpressure valve that ensures safety by limiting excess pressure.
• Hose equipped with a shut-off valve, useful for easy control during charging.
• Yoke adapter compatible with a DIN-type valve, for a stable and reliable connection.

Compatibility and Adaptability

The supplied fitting is specifically designed to fit all Predathor spearguns. It can also be easily replaced with other Salvimar adapters, allowing the kit to be used on different types of pneumatic spearguns for spearfishing, improving versatility and ease of use.