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-   -   M80 .308 NATO Ballistic info needed. (http://www.calguns.net/calgunforum/showthread.php?t=645016)

1lostinspace 11-16-2012 12:45 PM

M80 .308 NATO Ballistic info needed.
 
Hey guys I need to find the following
FPS, Barrel length tested, distance to chrono and BC.

Thanks guys

1lostinspace 11-16-2012 5:08 PM

Anyone?

Triple R Munitions 11-16-2012 7:23 PM

Mil spec for M59 Ball:

Bullet: 150.5 grain FMJ
Powder: 46 grains WC846 or 41 grains IMR 4475
Velocity = 2750 +/- 30 fps @ 78 ft.
Pressure = 50,000 psi max average.
Accuracy = Carton or clip pack - 5" mean radius @ 600 yards.

Mil spec for M80 Ball:

Bullet: 149 grain FMJ
Powder: 46 grains WC846, 41 grains IMR 4475, or 41.5 grains IMR 8138
Velocity = 2750 +/- 30 fps @ 78 ft.
Pressure = 50,000 psi max average.
Accuracy = Carton or clip pack - 5" mean radius @ 600 yards, link pack - 7.52" mean radius, max average at 600 yards.

For use in overhead fire applications the lot of M80 Ball also had to meet the above accuracy requirement with an additional requirement of no more than a 25" maximum extreme spread per target at 600 yards.

Mil spec for M118 Special Ball / Match

Bullet: 175 grain FMJ
Powder: 44 grains WC846 or 42 grains IMR 4895
Velocity = 2550 +/- 30 fps @ 78 ft.
Pressure = 50,000 psi max average.
Accuracy = Carton - 3.5" mean radius @ 600 yards

Mil spec for M852 Match

Bullet: 168 hollow point boat tail
Powder: 42 grains IMR 4895
Velocity = 2550 +/- 30 fps @ 78 ft.
Pressure = 50,000 psi max average.
Accuracy = Carton - 3.5" mean radius @ 600 yards

RRR

1lostinspace 11-17-2012 6:42 AM

Oh yeah


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