It’s a well-known fact that the AR is categorically superior to the AK and the Kalashnikov is suitable only for dirty commies and the poors. There are a lot of reasons for this fact, but today we are going to focus on reliability and the ballistic differences between common FMJ for AKs and ARs, after touching briefly on the ergonomic inferiority of the AK.

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7n6:
Penetration: greater than 16″
Neck: 6″
TSC: 2″ x 3″

2,998
3,024
3,016
3,012
3,009
2,985
2,940
3,007
2,979
Average: 2,996.7
StdDev: 25.7
Min: 2,940
Max: 3,024
Spread: 84

M67:
Penetration: greater than 27″
Neck: 3″
TSC: 2″ x 4″

Velocities in fps:
2,296
2,389
2,320
2,308
2,319
Average: 2,326.40
StdDev: 36.32
Min: 2,296
Max: 2,389
Spread: 93

Silver Bear 123gr FMJ:
Penetration: 29.5″
Retained weight: 120.9gr
Neck: 3.5″
TSC: 1″ x 11″

2,462
2,418
2,462
2,475
2,517
Average: 2,466.80
StdDev: 35.41
Min: 2,418
Max: 2,517
Spread: 99

M855 (10.5″):
Penetration: 23.4″
Retained weight: 58.2gr
Neck: 6″
TSC: 2″ x 8″

2,665
2,647
2,644
2,628
2,599
2,663
Average: 2,633.5
StdDev: 27.1
Min: 2,599
Max: 2,663
Spread: 64

55gr FMJ (10.5″):
Penetration: 22.1″
Retained weight: 51.3gr
Neck: 3″
TSC: 2″ x 8″

M855 (16″):
Penetration: greater than 26″
Retained weight:
Max expansion:
Min expansion:
Neck: 8″
TSC: 2.5″ x 6″

2,934
2,930
2,955
2,948
3,012
Average: 2,955.80
StdDev: 33.02
Min: 2,930
Max: 3,012
Spread: 82

55gr FMJ (16″):
Penetration: greater than 23″
Retained weight: 17.9gr
Max expansion:
Min expansion:
Neck: 4.5″
TSC: 2.5″ x 4.5″

2,877
2,822
2,752
2,794
Average: 2,811.3
StdDev: 52.4
Min: 2,752
Max: 2,877
Spread: 125

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