Weihrauch HW45 Black Star

Tuning and spring change of Weihrauch HW45

How do you tune a Weihrauch HW45?

Weihrauch HW45 is a diva! It is stubborn and difficult to handle. It takes weeks or even months of training to be able to achieve a consistently good result. After I haven’t got anywhere with the air pistol, I researched on the Internet how to tame the HW45.

In the process, this page www.airrifletuning.com caught my eye. There was a tuning kit for Weihrauch HW45 which doesn’t increase the power but is supposed to make the recoil more controllable. This is what I’ve been looking for.

I ordered it quickly, waited 8 days, and then the package arrived from England.

But now it was time for the not so easy modification. In advance: Get some safety glasses! Have fun with the video:

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Technical specifications of Weihrauch HW45 Black Star:

  • Total length: 11.02” (28 cm)
  • Weight: 2.645 lbs. (1200 g)
  • Caliber: .177 (4.5 mm)
  • Energy: approx. 5.16 ft lbs. (7 joules)
  • Power stages: 2
  • Velocity:  .177 (4.5 mm): stage 1: 410 fps (125 m/s), stage 2: 557 fps (170 m/s);  .20 (5.0 mm): stage 1: 557 fps (170 m/s), stage 2: 492 fps (150 m/s); .22 (5.5 mm): stage 1: 344 fps (105 m/s), stage 2: 410 (125 m/s)

Interesting link:

Do you already know my international YouTube channel? HERE you will find videos of more powerful air rifles in English.

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