Weihrauch HW30S accuracy at 50m

50 meter distance shooting accuracy for Weihrauch HW30S SPRING air rifle, uploaded by Igor, at September 25, 2017. Test ID: #12 (SPRING = Spring powered)

Average accuracy for tested HW30S airgun is 5 cm (≈ 2 inch) horizontal and 7.5 cm (≈ 3 inch) vertical accuracy. Diagonal = 9 cm (≈ 3.5 inch) (from center-to-center of the hits). Tested distance was 50m. The details of test can be seen below shooter's description.

Scope: Hawke 3-9x40. New air rifle (1 month old). Small power of rifle (7.5 Joule, limit in Hungary), is not enough to have good accuracy at 50 meters. With scope zeroed for 20 m, point of aim was 30 cm above target (compensed with mildots in shooting).

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.	4.4	1.7	8.2	3.2
2.	4	1.6	6.1	2.4
3.	5.9	2.3	8	3.1
4.	5.7	2.2	7.7	3
avg	5	2	7.5	3

Shooting distance: 50m
Diagonal accuracy: 9.01 cm

More statistics

Theoretically, what is the smallest target that can be hit N times out of 10 shoots. N=
1×: 1.6×2.5 cm (=0.6×1 in)
5×: 2.7×4 cm (=1×1.6 in)
9×: 5.6×8.4 cm (=2.2×3.3 in)
Coke can hits: 20 /20
Matchbox hits: 12 /20
Sugar cube hits: 0/20

Standard deviation (best if 0):

Horizontal: 0.82 cm = 0.32 inch
Vertical: 0.83 cm = 0.33 inch
Diagonal: 1.16 cm = 0.46 inch
Hor./Vert. ratio: 1:1.5 = 66.7% info
Predicted shooting accuracy at 50m×2 = 100m distance: 10.8×16.1 cm = 4.2×6.3 in.

Igor rated this air gun with .