Weihrauch HW30S accuracy at 25m

25 meter distance shooting accuracy for Weihrauch HW30S SPRING air rifle, uploaded by Igor, at September 25, 2017. Test ID: #11 (SPRING = Spring powered)

Average accuracy for tested HW30S airgun is 1.1 cm (≈ 0.4 inch) horizontal and 1.8 cm (≈ 0.7 inch) vertical accuracy. Diagonal = 2.1 cm (≈ 0.8 inch) (from center-to-center of the hits). Tested distance was 25m. The details of test can be seen below shooter's description.

Scope: Hawke 3-9x40. New air rifle (1 month old). Indoor shooting test from rest (chair, see the picture). Only last 4 meters of test was outdoor. Very light gun (2.5 kg + scope) for shooting from hand, but holding must be very constant (due the recoil of the spring). Accuracy of light air rifle is very sensitive for recoil.

Tested air rifle:

Type:	HW30S
Brand:	Weihrauch
Power:	SPRING
Aiming:	scope
Caliber	.177
Speed:	558 fps = 170 m/s
Energy:	7.5 J = 5.5 ft-lbf
Modified*	n

Ammunition:
JSB Exact 0.547 g.

Result of shooting accuracy:

	horizontal		vertical
	cm	inch	cm	inch
1.	1.1	0.4	2.2	0.9
2.	0.9	0.4	1	0.4
3.	1.4	0.6	2.4	0.9
4.	1.1	0.4	1.6	0.6
avg	1.13	0.4	1.8	0.7

Shooting distance: 25m
Diagonal accuracy: 2.13 cm

More statistics

Theoretically, what is the smallest target that can be hit N times out of 10 shoots. N=
1×: 0.3×0.5 cm (=0.1×0.2 in)
5×: 0.7×1 cm (=0.3×0.4 in)
9×: 1.5×2.4 cm (=0.6×0.9 in)
Coke can hits: 20 /20
Matchbox hits: 20 /20
Sugar cube hits: 10/20

Standard deviation (best if 0):

Horizontal: 0.18 cm = 0.07 inch
Vertical: 0.55 cm = 0.22 inch
Diagonal: 0.58 cm = 0.23 inch
Hor./Vert. ratio: 1:1.59 = 62.8% info
Predicted shooting accuracy at 25m×2 = 50m distance: 2.4×3.9 cm = 1×1.5 in.

Igor rated this air gun with .