Comparative External Ballistics - 5.56 Nato - 7.62 Nato - 6.8 Spc - 6.5 Grendel
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1Comparative External Ballistics
5.56 NATO – 7.62 NATO – 6.8 SPC – 6.5 GRENDEL
Round:
5.56 NATO
7.62 NATO
6.8 SPC
6.5 Grendel
6.5 Grendel
6.5 Grendel
6.5 Grendel
Bullet:
77 OTM
175 OTM
115 OTM
100 OTM
108 OTM
123 OTM
144 FMJBT
Sierra
Sierra
Sierra
Lapua
Lapua
Lapua
Lapua
Recoil:
5.40 lbs
17.24 lbs
8.71 lbs
8.29 lbs
8.58 lbs
9.23 lbs
9.95 lbs
Muzzle
Velocity
2850
2600
2800
3000
2900
2750
2550
Energy
1389
2627
2002
1998
2017
2065
2079
100
Velocity
2602
2428
2540
2790
2707
2588
2416
Energy
1158
2290
1647
1729
1757
1829
1867
Drop
0.00
0.00
0.00
0.00
0.00
0.00
0.00
Drift
0.86
0.71
0.94
0.65
0.64
0.59
0.56
200
Velocity
2368
2262
2293
2590
2522
2432
2287
Energy
958
1987
1343
1489
1525
1615
1672
Drop
-2.65
-3.41
-2.91
-1.97
-2.25
-2.70
-3.46
Drift
3.61
2.94
3.97
2.69
2.64
2.44
2.32
300
Velocity
2145
2102
2061
2398
2345
2281
2161
Energy
787
1717
1085
1277
1318
1421
1493
Drop
-11.52
-13.62
-12.45
-9.14
-9.98
-11.28
-13.57
Drift
8.51
6.84
9.40
6.28
6.15
5.66
5.37
400
Velocity
1935
1949
1844
2214
2174
2135
2039
Energy
640
1477
868
1089
1133
1245
1330
Drop
-27.98
-31.72
-30.22
-22.36
-24.04
-26.55
-31.13
Drift
15.91
12.62
17.63
11.59
11.33
10.38
9.81
500
Velocity
1739
1804
1642
2039
2011
1995
1922
Energy
517
1264
689
923
970
1087
1181
Drop
-53.75
-58.98
-58.26
-42.69
-45.33
-49.45
-57.16
Drift
26.18
20.47
29.13
18.84
18.37
16.76
15.78
600
Velocity
1558
1666
1461
1872
1855
1861
1809
Energy
415
1079
545
772
825
946
1046
Drop
-91.08
-96.95
-99.24
-71.40
-75.51
-81.10
-92.41
Drift
39.74
20.62
44.37
28.27
27.51
24.96
23.39
700
Velocity
1397
1538
1304
1715
1708
1733
1701
Energy
334
919
435
653
700
820
925
Drop
-142.78
-147.46
-156.56
-110.06
-115.68
-122.80
-138.39
Drift
57.03
43.31
63.81
40.15
38.97
25.17
32.79
800
Velocity
1259
1420
1178
1568
1571
1612
1598
Energy
271
784
354
546
592
710
816
Drop
-212.33
-212.69
-234.36
-160.57
-167.79
-176.10
-196.41
Drift
78.37
58.75
87.64
54.76
53.01
47.57
44.12
900
Velocity
1149
1314
1083
1434
1444
1499
1501
Energy
226
671
300
457
500
614
720
Drop
-303.84
-295.19
-337.22
-225.25
-234.03
-242.79
-268.06
Drift
103.82
77.12
115.64
72.39
69.87
62.34
57.12
1000
Velocity
1067
1222
1014
1315
1331
1395
1411
Energy
195
581
263
384
425
531
636
Drop
-421.66
-397.84
-469.70
-306.88
-234.03
-242.79
-355.15
Drift
133.08
98.52
147.27
93.28
89.78
79.68
73.12
-
All calculations are based on 24-inch barrels using advertised ballistic coefficients using a G1 drag profile.
-
Conditions are 70 degrees and 50% humidity at an altitude of 50 feet above sea level.
-
Drift is based on a 10 mph crosswind.
-
Recoil calculation based on a rifle weight of 8 pounds for all cartridges.
Cartridge
5.56 NATO
7.62 NATO
6.8 SPC
6.5 Grendel
6.5 Grendel
6.5 Grendel
6.5 Grendel
77 OTM
175 OTM
115 OTM
100 OTM
108 OTM
123 OTM
144 FMJBT
Sierra
Sierra
Sierra
Lapua
Lapua
Lapua
Lapua
Max Range –
875 Yards
1075 Yards
825 Yards
1150 Yards
1175 Yards
1275 Yards
1350 Yards
Supersonic
Velocity
Max Range
500 Yards
1100 Yards
650 Yards
825 Yards
900 Yards
1025 Yards
1200 Yards
–500 Ft Lbs
Energy
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Parent category: Miscellaneous