• Our new multi-calibre Universal Harmonic Barrel Tuner system can be used in different air rifles with various calibres.
• The interchangeable calibre adaptor can easily be swapped for another adaptor, with the tools provided.
• Interchangeable end adaptor to 1/2 UNF X 20, M14X1.25, M18X1, M20X1 can be swapped between with the tools provided (choose an option).
• 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
• All our end adaptors can be used with future Eagle Vision sound moderators, muzzle brakes and some harmonic barrel tuner models.
• The calibre specific adaptor helps to increase accuracy.
• The front calibre 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.
• Caliber adaptors:.177, .22, .25 and .30 included

Product specifications:

UBT-58

• Length:  58mm
• diameter: 28MM-38mm
• Weight:  144grams
• End Thread: M23 X 1
• Front Threads: M15X0.6
• Inner tube made of aluminium anodised Blake outer adjustable tube made from stainless steel coated black silver its natural colour.

Product includes:

• 1x Universal Harmonic Barrel Tuner choice of black
• 4x O- rings
• 6x screws
• 1x Allen key
• 1x waterproof Storage Case
• choice from options: 4x piece of caliber specific adaptor .177, .22, .25 and .30 (included 8x stainless steel tool bars)
• (1/2 UNF X 20, M14X1.25, M18X1, M20X1 Each one includes: 2x stainless steel tool bar, 1x Allen key. This will come with full set of thread Adapters in the set.