Dave Armstrong (ISEA - Sniper Weapons), NSWC Crane, Code 4081

http://www.dtic.mil/ndia/2007smallarms/5_9_07/Armstrong_12pm.pdf

 https://docs.google.com/viewer?a=v&q=cache:W3yfjKG03EAJ:www.dtic.mil/ndia/2007smallarms/5_9_07/Armstrong_12pm.pdf+&hl=en&gl=us&pid=bl&srcid=ADGEESjjJv0uIffIx43muq89X7fwiID_RvoQ_k3qOcmntzbBLXNSVycIUTC2nF87cB08ZmiAXM4wnab8EXAkT7uBme8eHzSuRl4GSeaH2IQJQGT7iUZY8HYlwoaLRWjRbj6DxHFcjPEh&sig=AHIEtbS4L4s_ptPvDvZNTjzWcdrNCuGnOA

Ugly formatting

Cartridge
7.62X51
7.62X39
Weights-lbs
M14
AKM
Weapon
8.6
8.5
Cartridge
0.055
0.047
Magazine
0.50
0.70
w/210 rnds
20.7
18.7
w/300 rnds
25.9
23.1
w/420 rndsDistribution Statement A - Approved for
32.9
28.9
28 public release; distribution unlimited.
w/510 rnds
38.1
33.3

5.56X45
M4A1
6.6
0.026
0.24
12.2
14.7
17.9
20.3

5.56X45
M4-10"
6.3
0.026
0.24
11.9
14.4
17.6
20.0

5.56X30
MARS
5.5
0.022
0.19
10.3
12.3
15.0
17.1

5.7X28
FN P90
5.6
0.014
0.21
8.6
9.9
11.6
12.9

4.6X30
HK MP7
3.9
0.014
0.19
7.0
8.3
10.1
11.4

Rnds Cartridge Time (+/- 6 sec)
182 7.62 NATO 3 minutes
385 5.56/9mm NATO 6 1/2 minutes
210 7.62X39 3 1/2 minutes
455 5.56X30MARS 7 1/2 minutes
or 6X35KAC (est.)
714 5.7X28 /4.6X30 >11 minutes