From a total of 68,906,739 kills with 31,291,055 headshots

Rank	Weapon	Modifier	Kills	%	Ratio	Headshots	%	Ratio	HS:K
1		1.00	26,211,220	38.04%		4,427,185	14.15%		0.17
2		1.20	12,092,934	17.55%		8,565,101	27.37%		0.71
3		1.00	8,428,277	12.23%		5,903,132	18.87%		0.70
4		1.00	6,750,115	9.80%		4,605,789	14.72%		0.68
5		1.20	4,267,660	6.19%		2,066,981	6.61%		0.48
6		1.50	1,162,520	1.69%		732,711	2.34%		0.63
7		1.40	1,157,311	1.68%		784,462	2.51%		0.68
8		1.20	1,077,305	1.56%		552,195	1.76%		0.51
9		2.00	920,780	1.34%		13	0.00%		0.00
10		1.00	734,617	1.07%		549,222	1.76%		0.75
11		1.80	712,291	1.03%		0	0.00%		0.00
12		1.20	695,020	1.01%		338,918	1.08%		0.49
13		1.00	571,082	0.83%		412,191	1.32%		0.72
14		1.00	568,533	0.83%		368,982	1.18%		0.65
15		1.10	538,354	0.78%		460,708	1.47%		0.86
16		1.40	493,968	0.72%		323,247	1.03%		0.65
17		1.10	448,239	0.65%		268,445	0.86%		0.60
18		1.50	407,513	0.59%		230,692	0.74%		0.57
19		1.40	359,969	0.52%		264,317	0.84%		0.73
20		1.10	304,476	0.44%		98,107	0.31%		0.32
21		0.80	250,452	0.36%		63,390	0.20%		0.25
22		1.20	239,265	0.35%		77,141	0.25%		0.32
23		0.80	220,025	0.32%		50,808	0.16%		0.23
24		1.20	121,361	0.18%		48,875	0.16%		0.40
25		1.50	108,216	0.16%		61,590	0.20%		0.57
26		1.50	65,208	0.09%		36,853	0.12%		0.57
27		5.00	26	0.00%		0	0.00%		0.00
28		5.00	2	0.00%		0	0.00%		0.00