Posted on 03/15/2017 11:01:21 AM PDT by w1n1
Wasn’t the original round designed around a 20 inch barrel for optimal ballistic performance?
I don’t recall the propellant, but that was changed also which was found to be the culprit in the frequent jams due to fouling.
Winchester ball powder. The AR15 was designed for Remington improved military rifle powder.
Why am I hearing what appears to be a automatic weapon fired in the background?
I tried. Thanks.
“Why am I hearing what appears to be a automatic weapon fired in the background?”
Looks to be a very long lineup of tables in the background, probably some kind of “shoot” going on in a State where they’re not afraid of full-auto weapons.
A whole lotta praying there.
FN?
Yes....thanks for the correction. Dunno why I was thinking HK.
I use my mosin to start the campfire. Much cheaper.
CC
So... previous to the 5.56 NATO was the bullet 55 grains or 61, or 63?
I’m not sure. The military wanted the ball powder because it packs more of a punch.
The military wanted the ball powder because it packs more of a punch.
I believe velocities were the same. The Military had lots of the ball powder available, and it meters very easily and accurately. The IMR powders, which were specified by Eugene Stoner, the inventor, are stick powders (rods about 7 times as long as they are wide) that are a bid more trouble to meter.
To make the ball powders, they have calcium in them to aid in the manufacture. The calcium would collect in the M-16 gas tube and eventually block it, causing jams.
That figures. I should have known the army had a stupid reason like not issuing troops repeating rifles during the war between the states because it was a waste of ammo.
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