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Posted: 9/11/2002 10:31:32 AM EDT
[Last Edit: 9/11/2002 10:36:56 AM EDT by mr_h]
i bought some IMI 55 gr ammo a few years ago and i was woundering if anyone was run this stuf through a chrono. this ammo is in the 30 rounds craft colored small boxes with the Isreali logo on it. thanks in advance.
Link Posted: 9/11/2002 11:35:11 AM EDT
Last I heard. All of the IMI 55gr was considered outdated. Probably totally unreliable by now.

You are welcome to send all of your IMI to me for safe disposal...
Link Posted: 9/11/2002 12:02:07 PM EDT
[Last Edit: 9/11/2002 12:03:49 PM EDT by mr_h]

i could not endanger another ar fan in that way, i had best keep it. i know a guy that will let me use his chrono, guess i'll have to take another trip to the range. :)
Link Posted: 9/11/2002 12:23:31 PM EDT
Thats ok. Just trying to help.

I think the FAQ that Tatjana and friends put together has some answers about velocity.

Link Posted: 9/11/2002 12:51:10 PM EDT
I am going out this weekend to chrono some IMI 55 and 62 grain. All the loads will be shot out of 11.5 inch barrel and 20 inch barrel.

Jason
Link Posted: 9/12/2002 5:37:15 AM EDT
Temperature was approx. 79 degrees F. Elevation was approx. 750 feet above sea level. Test rifles were a Bushmaster 20” chrome lined HBAR and a Colt 16” chrome lined HBAR. Readings were taken at 15 feet from the muzzle.

Winchester Q3131A, 1999 – 3186 fps / 3062 fps
Federal Xm193, Lot 1 – 3299 fps / 3121 fps
South Africa surplus, M1A3, 1986 – 3235 fps / 3106 fps
IMI M193, 1999 – 3203 fps / 3060 fps
Link Posted: 9/12/2002 6:23:00 AM EDT
Eric,

Is that an average of a certain number of rounds fired?

If so, please post Max, Min, standard deviation, and number of samples.

(If that is not too much to ask )

Thanks!
Link Posted: 9/12/2002 6:48:00 AM EDT
I have heard that IMI ammunition is approved for emergency/local purchase by US forces because it is loaded to US MILSPEC, and that it is the next best thing to having Lake City. I would expect that its performance would be fine (the Israelis don't seem to have any problems with it).
Link Posted: 9/12/2002 2:06:54 PM EDT
M16A1 Rifle.

Meets milspec:

TZZ-00

3221 at 15 feet. SD of 27.

30 round sample. 1000' ASL. 65°F. 90% RH


TZZ-99

3188 at 15 feet. SD of 21.

30 round sample on same day as above.

-- Chuck
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