From a total of 1,421 kills with 702 headshots

Rank	Weapon	Modifier	Kills	%	Ratio	Headshots	%	Ratio	HS:K
1		1.10	469	33.00%		293	41.74%		0.62
2		1.00	233	16.40%		131	18.66%		0.56
3		1.00	179	12.60%		70	9.97%		0.39
4		1.20	158	11.12%		90	12.82%		0.57
5		2.00	110	7.74%		0	0.00%		0.00
6		1.00	80	5.63%		40	5.70%		0.50
7		1.00	57	4.01%		20	2.85%		0.35
8		1.00	46	3.24%		22	3.13%		0.48
9		1.20	21	1.48%		10	1.42%		0.48
10		1.20	17	1.20%		10	1.42%		0.59
11		1.10	11	0.77%		2	0.28%		0.18
12		1.40	10	0.70%		3	0.43%		0.30
13		1.40	6	0.42%		0	0.00%		0.00
14		1.40	6	0.42%		4	0.57%		0.67
15		1.50	4	0.28%		1	0.14%		0.25
16		1.20	4	0.28%		2	0.28%		0.50
17		1.10	4	0.28%		2	0.28%		0.50
18		1.50	2	0.14%		1	0.14%		0.50
19		1.20	2	0.14%		1	0.14%		0.50
20		1.20	1	0.07%		0	0.00%		0.00
21		1.50	1	0.07%		0	0.00%		0.00