Cometa 220 accuracy at 10m

10 meter distance shooting accuracy for Cometa 220 SPRING air rifle, uploaded by Olly, at March 11, 2019. Test ID: #38 (SPRING = Spring powered)

Average accuracy for tested 220 airgun is 4.4 cm (≈ 1.7 inch) horizontal and 3.2 cm (≈ 1.3 inch) vertical accuracy. Diagonal = 5.4 cm (≈ 2.1 inch) (from center-to-center of the hits). Tested distance was 10m. The details of test can be seen below shooter's description.

Tested air rifle:
Type: 220
Brand: Cometa
Power: SPRING
Aiming: scope
Caliber .22
Speed: 640 fps = 195 m/s
Energy: 14.2 J = 10.5 ft-lbf
Modified* n
Ammunition:
VMX PELL 14.66 gr
Result of shooting accuracy:
  horizontal vertical
  cm inch cm inch
1. 4.7 1.9 5.8 2.3
2. 3.2 1.3 1.6 0.6
3. 4.5 1.8 1.6 0.6
4. 5 2 3.7 1.5
avg 4.35 1.7 3.18 1.3
Shooting distance: 10m
Diagonal accuracy: 5.39 cm

More statistics

Theoretically, what is the smallest target that can be hit N times out of 10 shoots. N=
1×: 1.3×0.9 cm (=0.5×0.4 in)
5×: 2.5×1.8 cm (=1×0.7 in)
9×: 6.2×4.5 cm (=2.4×1.8 in)
Coke can hits: 20 /20
Matchbox hits: 14 /20
Sugar cube hits: 2/20

Standard deviation (best if 0):

Horizontal: 0.69 cm = 0.27 inch
Vertical: 1.74 cm = 0.69 inch
Diagonal: 1.87 cm = 0.74 inch
Hor./Vert. ratio: 1:0.73 = 136.8% info
Predicted shooting accuracy at 10m×2 = 20m distance: 9.4×6.8 cm = 3.7×2.7 in.

Olly rated this air gun with .

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