• 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.
• 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 caliber specific adaptor helps to increase accuracy;
• 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.
• Caliber adaptors:.177, .22, .25 and .30

Product specifications:

UBT-58

• Length:  mm
• diameter: mm
• Weight:  grams
• 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 or silver
• 4x O- rings
• 6x screws
• 1x Allen key
• 1x end adaptor of your choice from options:
• (1/2 UNF X 20, M14X1.25, M18X1, M20X1 Each one includes:
• 2x stainless steel tool bar
• 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)
• choice from options: 4x piece of 1/2 UNF X 20  caliber specific adaptor .177, .22, .25 and .30 (included 4x stainless steel tool bars)

End adaptor 1/2 UNF X 20, M14X1.25, M18X1, M20X1

• end adaptor 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,  fully secured with ‘O’ rings to improve accuracy, limit vibration and avoid pellet clipping.
• These products are manufactured by cnc to lower the tolerance.
• All our end adaptors can be used with future Eagle Vision sound moderators, muzzle brakes and harmonic barrel tuner models.

Product specifications:

• Length: 21MM
• Outside diameter: 29mm
• MBA-1/2 UNF X 20 Weight: 17grm
• MBA-M14X1.25 Weight: 14grm
• MBA-M18 Weight: 9grm
• MBA-M20 Weight: 7grm
• End Thread: M23 X 1

Caliber adaptors 177, 22, 25, 30

• The interchangeable caliber adaptor can easily be swapped for another adaptor, with the tools provided.
• The caliber specific adaptor helps to increase accuracy.
• 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.
• Caliber adaptors:.177, .22, .25 and .30
• This caliber adaptors can be used with future Eagle Vision muzzle brakes and harmonic barrel tuner models.

Product specifications:

• Length: 15mm
• Front Outside diameter: 19mm
• 177 Weight: 15gr
• 22 Weight: 14gr
• 25 Weight: 13gr
• 30 Weight: 12gr
• Threads: M15X0.6

Product includes:

• 4x piece if caliber specific adaptor .177, .22, .25 and .30 (included 8x stainless steel tool bars)Coming soon:

All will have a changeable end connection, to 1/2” UNF X 20, M14x1.25, M18, M20,
with a changeable caliber specific adaptor.