From a total of 488 kills with 344 headshots

Rank	Weapon	Modifier	Kills	%	Ratio	Headshots	%	Ratio	HS:K
1		1.10	96	19.67%		73	21.22%		0.76
2		1.20	89	18.24%		73	21.22%		0.82
3		1.00	58	11.89%		49	14.24%		0.84
4		1.00	54	11.07%		38	11.05%		0.70
5		1.00	36	7.38%		10	2.91%		0.28
6		1.40	23	4.71%		18	5.23%		0.78
7		1.00	19	3.89%		12	3.49%		0.63
8		1.20	15	3.07%		11	3.20%		0.73
9		1.10	13	2.66%		11	3.20%		0.85
10		1.40	13	2.66%		2	0.58%		0.15
11		1.00	9	1.84%		9	2.62%		1.00
12		1.00	9	1.84%		5	1.45%		0.56
13		1.30	8	1.64%		5	1.45%		0.63
14		1.20	8	1.64%		4	1.16%		0.50
15		1.50	6	1.23%		3	0.87%		0.50
16		1.20	6	1.23%		4	1.16%		0.67
17		0.80	4	0.82%		2	0.58%		0.50
18		1.30	3	0.61%		2	0.58%		0.67
19		1.50	3	0.61%		3	0.87%		1.00
20		0.80	3	0.61%		2	0.58%		0.67
21		1.10	3	0.61%		2	0.58%		0.67
22		1.00	2	0.41%		1	0.29%		0.50
23		1.30	2	0.41%		2	0.58%		1.00
24		1.20	2	0.41%		1	0.29%		0.50
25		1.40	1	0.20%		0	0.00%		0.00
26		2.00	1	0.20%		0	0.00%		0.00
27		1.40	1	0.20%		1	0.29%		1.00
28		1.50	1	0.20%		1	0.29%		1.00