From a total of 68,767,974 kills with 31,247,878 headshots

Rank	Weapon	Modifier	Kills	%	Ratio	Headshots	%	Ratio	HS:K
1		1.00	26,141,574	38.01%		4,417,718	14.14%		0.17
2		1.20	12,067,493	17.55%		8,551,448	27.37%		0.71
3		1.00	8,422,792	12.25%		5,900,455	18.88%		0.70
4		1.00	6,740,157	9.80%		4,600,437	14.72%		0.68
5		1.20	4,250,868	6.18%		2,059,113	6.59%		0.48
6		1.50	1,161,499	1.69%		732,202	2.34%		0.63
7		1.40	1,155,735	1.68%		783,538	2.51%		0.68
8		1.20	1,076,893	1.57%		552,008	1.77%		0.51
9		2.00	919,356	1.34%		13	0.00%		0.00
10		1.00	734,145	1.07%		548,961	1.76%		0.75
11		1.80	710,687	1.03%		0	0.00%		0.00
12		1.20	694,429	1.01%		338,645	1.08%		0.49
13		1.00	570,781	0.83%		412,046	1.32%		0.72
14		1.00	568,319	0.83%		368,884	1.18%		0.65
15		1.10	537,787	0.78%		460,436	1.47%		0.86
16		1.40	493,340	0.72%		322,845	1.03%		0.65
17		1.10	447,917	0.65%		268,281	0.86%		0.60
18		1.50	407,178	0.59%		230,517	0.74%		0.57
19		1.40	359,667	0.52%		264,165	0.85%		0.73
20		1.10	304,376	0.44%		98,065	0.31%		0.32
21		0.80	249,995	0.36%		63,225	0.20%		0.25
22		1.20	238,794	0.35%		76,950	0.25%		0.32
23		0.80	219,671	0.32%		50,731	0.16%		0.23
24		1.20	121,257	0.18%		48,833	0.16%		0.40
25		1.50	108,141	0.16%		61,557	0.20%		0.57
26		1.50	65,095	0.09%		36,805	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