Weihrauch HW 75 accuracy at 25m

25 meter distance shooting accuracy for Weihrauch HW 75 SSP air pistol, uploaded by Igor, at September 20, 2017. Test ID: #2 (SSP = Single-stroke Pneumatic)

Average accuracy for tested HW 75 airgun is 1.5 cm (≈ 0.6 inch) horizontal and 2.1 cm (≈ 0.8 inch) vertical accuracy. Diagonal = 2.5 cm (≈ 1 inch) (from center-to-center of the hits). Tested distance was 25m. The details of test can be seen below shooter's description.

Scope: Walther 2x20, outdoor shooting test, almot no wind. Pistol is 3 months old. Probably it can do better accuracy, but it is very hard to aim at 25 meter with 2x20 scope.

Tested air pistol:

Type:	HW 75
Brand:	Weihrauch
Power:	SSP
Aiming:	scope
Caliber	.177
Speed:	410 fps = 125 m/s
Energy:	4 J = 3 ft-lbf
Modified*	n

Ammunition:
JSB Diabolo Exact Express, 0.51 g.

Result of shooting accuracy:

	horizontal		vertical
	cm	inch	cm	inch
1.	1.9	0.7	2.4	0.9
2.	0.7	0.3	1.5	0.6
3.	1.4	0.6	1.9	0.7
4.	1.9	0.7	2.4	0.9
avg	1.48	0.6	2.05	0.8

Shooting distance: 25m
Diagonal accuracy: 2.53 cm

More statistics

Theoretically, what is the smallest target that can be hit N times out of 10 shoots. N=
1×: 0.4×0.6 cm (=0.2×0.2 in)
5×: 0.9×1.2 cm (=0.4×0.5 in)
9×: 1.8×2.5 cm (=0.7×1 in)
Coke can hits: 20 /20
Matchbox hits: 20 /20
Sugar cube hits: 8/20

Standard deviation (best if 0):

Horizontal: 0.49 cm = 0.19 inch
Vertical: 0.38 cm = 0.15 inch
Diagonal: 0.62 cm = 0.24 inch
Hor./Vert. ratio: 1:1.39 = 72.2% info
Predicted shooting accuracy at 25m×2 = 50m distance: 3.2×4.4 cm = 1.3×1.7 in.

Igor rated this air gun with .