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FX Barrel Liners / Tuners

The new FX Airguns Superior Smooth Twist X Barrel Liner. Produced in the FX patented way; by pressing the rifling into the barrel from the outside. But now with a higher level of precision, lower tolerances and more tweaks, resulting in a superior liner. There are two types of liners being released for most calibres; a standard Superior STX Liner and a Superior STX Heavy Liner.

FX Airguns Barrel Liners - Superior / Heavy / Slug A

4 products


  • Eagle Vision Universal Harmonic Barrel Tuner - Black STD Front End Eagle Vision Universal Harmonic Barrel Tuner - Black STD Front End adapters inserted

    Eagle Vision Eagle Vision - Universal Harmonic Barrel Tuner - Black STD Front End

    In stock

    Eagle Vision Universal Harmonic Barrel Tuner - Black STD Front End This is the Standard version of the barrel tuner. This version comes with the caliber adapters that screw into the front end of the tuner - these do not allow the addition of a moderator. Our new multi-caliber Universal Harmonic Barrel Tuner system can be used in different air rifles with various calibers. The interchangeable caliber adaptor can easily be swapped for another adaptor, with the tools provided. The front caliber adaptor with 8 holes, looks great and is designed so to allow insertion of the stainless steel bar tool, to tighten or loosen the adaptor. There are no moving parts, all components are fully secured with ‘O’ rings to improve accuracy, limit vibration and avoid pellet clipping. These products are manufactured by 5 Axis CNC tolerance of + or – 0.05 Product includes: 1x Universal Harmonic Barrel Tuner choice of black or silver 4x O- rings 6x screws 1x Allen key 1/2 UNF X 20 End adapter for rifle connection 1x Allen key 1x waterproof Storage Case 4x piece of caliber specific adaptor .177, .22, .25 and .30 (included 8x stainless steel tool bars)

    In stock

    £78.00

  • FX Airguns Angled Manometer Bracket Impact M3 FX Airguns Angled Manometer Bracket Impact M3

    FX Airguns FX Airguns Angled Manometer Bracket Impact M3

    In stock

    FX Airguns Angled Manometer Bracket Impact M3 For Sub 12ft Lbs and FAC / High Power M3 Impacts Only The FX Impact M3 has extra expansion holes on the right hand side just above the grip, these are to add the much requested quick view option of the regulator pressure for the rear regulator via a side mounted gauge. This kit is the bracket and O ring parts only. FX Official Kit. It does NOT include any gauges or tools for the install. Please watch the video below from Airbuks that provides simple instructions on how to add the bracket. Remember - safety first - and you are working with high pressure air so caution. When the video shows the rifle being cleared of air via adjustment of the regulator, you can dry fire the rifle a few times to bleed the system. Always check the rifle is not loaded in any way before dry firing. The rear underside regulator gauge should unscrew by hand with no air in the system. Then simply screw in the supplied blocking screw and use the rear gauge on the newly installed bracket. The gauges will not always line up horizontal this is a trial and error part of the install. Gauges may also require a bit more that finger tight to make the seal. Always use caution and select the correct tool so no damage is caused to any gauges. Basically what we are saying is - if you mess up your rifle or any parts when installing this, its down the customer - we are not responsible. But it is easy to fit. Any lost or damaged O rings during install will NOT be replaced by Airgun 101 Shop - the kits are checked before despatch and we do not carry spares. This is a HOME INSTALL kit. Airgun 101 Shop is in NO WAY responsible for ANY damage to your rifle, any property or any person - either when installing or using this product in the future. A basic level of understanding is required.    This is a home install item. We do not offer any install service. Any damage to your rifle, or any injury to any person through using or installing this product is not the responsibility of Airgun 101 Shop or its parent company. Safety first when working on any rifle, ensure the gun is safe before starting any form of work.

    In stock

    £31.00

  • FX Harmonic Adjustable Barrel Tuner Shroud  500mm STD Impact M3 FX Harmonic Adjustable Barrel Tuner Shroud  500mm STD Impact M3 Rear

    FX Airguns FX Airguns Harmonic Adjustable Barrel Tuner Shroud 500mm STD Impact Sub 12 Ft Lbs

    In stock

    FX Harmonic Adjustable Barrel Tuner Shroud 500mm STD Impact M3 Sub 12 Ft Lbs For the Standard Impact M3 Sub 12 with an overall barrel length of 500MM This will NOT fit the Maverick / Compact versions of Maverick Or Impact The one accessory that will have the biggest impact on the air gunning industry is the new FX Integrated Harmonic Barrel Tuner. This integrated shroud system offers new features that will change your tuning process and give you a level of precision control never before available to an airgun. The FX Integrated Harmonic Barrel Tuner offers both dampening and tuning features that will have you obtaining new heights of accuracy from your FX Airgun. FX Airguns teamed up with Chris Turek of Up North Air gunner to bring this exciting technology to an FX Airgun. The science behind barrel harmonics and internal ballistics has been debated and analysed for years. Though there are still unknowns, what is known is that barrel harmonics exist in all guns from a .177 break barrel airgun all the way up to a .50 cal Barret. These barrel harmonics are observable and are now adjustable for repeatability. This is the art of barrel tuning. The shroud of the Harmonic Barrel Tuner first works to dampen the barrel, making the harmonic signature of the barrel quieter, more subdued, and controllable. This, when combined with the new FX Carbon Fiber Liner Sleeve ( not included ) , also stiffen the barrel system which further lowers the barrel’s harmonic amplitude (or whip) throughout the entire shot cycle. Both of these factors combined create tighter shot groups, but are only part of the overall barrel tuning that the FX system brings. The finishing touch is found in the integrated rotating running weight located on the end of the shroud. Made from a specifically selected metallic alloy, this allows the running weight to have enough mass to affect the weight distribution of the overall barrel system. Shooters will find that even the smallest amount of rotating adjustment of the tuner weight by only a few thousands of an inch can change how your gun shoots groups, especially when shooting medium to long range distances. The beauty and genius of the FX Integrated Harmonic Barrel Tuner is realized with the single variable testing and tuning found both with the shroud system and internally with the new FX Impact M3. This intersection of beauty (form) and precision (function) will change the sport of precision airguns to the next level. This is a home install item. You will need to remove the existing shroud to install this item in place. We do not offer any install service. Any damage to your rifle, or any injury to any person through using or installing this product is not the responsibility of Airgun 101 Shop or its parent company. Safety first when working on any rifle, ensure the gun is safe before starting any form of work.

    In stock

    £140.99

  • FX Airguns Removable Harmonic Barrel Tuner FX Airguns Removable Harmonic Barrel Tuner adapters

    FX Airguns FX Airguns Removable Harmonic Barrel Tuner

    In stock

    FX Airguns Removable Harmonic Barrel Tuner This is the removable version of the FX Harmonic Tuner. The Version we have has the soft touch finish over steel, the full retail finish, some pre realise versions did not have the soft touch finish. It screws onto any 1/2 Inch UNF Mod thread and then allows you to use one of the caliber specific threads on the front to step down for your moderator size. Caliber Threads included .177/.22 + .25 + .30 - not suitable for .35 Cal Weight Approx 190g Length Approx 6cm depending on setting USE THE CORRECT MODERATOR SCREW FOR YOUR CALIBER, USE THE SIZE TOO SMALL WILL CAUSE DAMAGE - WE ARE NOT RESPONSIBLE FOR THAT. This video is a guide only  

    In stock

    £72.99

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