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All Springer/NP/PCP Air Gun Discussion General > China/Asian AirGun Gate

Hämmerli Black Force 800

(1/1)

Brutuz:
It took me several attempts to get it wright.
Bought used, rifle came in as 7.5 joule German F power spec
Sourced a 32 coil 3mm wire spring
A delrin tophat + delrin pistonwasher
A delrin powerband to replace the standard thin metal powerband on the springguide

Attempt 1: too much preload to close the action

Collapsed 2 coils
This set-up unable top cock

Clipped 2 coils
This set-up unable top cock

Removed the delrin tophat
This set-up unable top cock

Replaced the delrin powerband with the standard thin metal powerband
This set-up able top cock

So took me 5 attempts if I do the math correctly

First hot shot 981.1

From the second shot it seems to have settled.
Cocking effort is doable, one does feel the rifle has potential
The trigger is good
The recoil is as to be expected on this power level (I am in the Netherlands, no max power here)
Nice rifle. Diana 34 copy. A.k.a. Xisico XS25 if I am not mistaken.

To do (maybe): cut 2 more coils and replace the 2 delrin parts

happymecanic:
Nice rifle, I heard about it on a French airgun forum. The trigger can be even better with the ''2-screw'' mod. How is the accuracy so far?

I do have the Ruger branded BlackHawk, almost identical to yours, the only difference I see is the front sight/muzzle brake.

Brutuz:
Accuracy unknown, I live urban, no opportunity to shoot outdoors, I did win a HFT gold medal in 2016 in the Recoiling Open Sight Class with my .177 cal Hammerli 880 which is the same action is a different stock.

Brutuz:
Detuned to 12 fpe, less recoil

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