From a total of 147,080 kills with 83,937 headshots

Rank	Weapon	Modifier	Kills	%	Ratio	Headshots	%	Ratio	HS:K
1		1.00	38,727	26.33%		25,574	30.47%		0.66
2		1.10	37,051	25.19%		22,145	26.38%		0.60
3		1.00	16,494	11.21%		8,379	9.98%		0.51
4		1.20	13,690	9.31%		8,231	9.81%		0.60
5		1.00	9,838	6.69%		4,466	5.32%		0.45
6		1.00	8,973	6.10%		4,706	5.61%		0.52
7		1.20	3,127	2.13%		1,956	2.33%		0.63
8		1.00	2,989	2.03%		1,516	1.81%		0.51
9		1.10	2,160	1.47%		1,039	1.24%		0.48
10		2.00	2,008	1.37%		0	0.00%		0.00
11		1.40	1,741	1.18%		987	1.18%		0.57
12		1.20	1,299	0.88%		608	0.72%		0.47
13		1.50	1,222	0.83%		653	0.78%		0.53
14		1.40	1,172	0.80%		645	0.77%		0.55
15		1.50	949	0.65%		509	0.61%		0.54
16		1.20	921	0.63%		365	0.43%		0.40
17		1.40	908	0.62%		429	0.51%		0.47
18		1.20	896	0.61%		356	0.42%		0.40
19		1.50	851	0.58%		434	0.52%		0.51
20		1.20	843	0.57%		376	0.45%		0.45
21		1.10	647	0.44%		327	0.39%		0.51
22		1.50	574	0.39%		236	0.28%		0.41