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Posted: 4/17/2006 12:39:59 PM EST
Took out my HBAR this weekend, took off its little glass and put on my big Leupold 8.5-25 scope to see what the gun could do.

specs on gun, Colt HBAR 1/7 20" bbl with Miculek style comp.
Shooting xm193 from a bull bag @ 100 yards.

Medium fire pace probably 5-10 seconds per round.

The gun would group very well 1" Maybe 1.5 inches for ist 5 rounds then group would open up to nearly 2.5 3 inches by the time would get through a 20 round mag. Did it with several shooters.

Could it be because shooting slightly light rounds out of a 1/7 and once the bbl warmed up started throwing them?

O is it just that once a Colt HBAR bbl gets some heat into it, it starts spraying the rounds about?
Link Posted: 4/17/2006 1:58:54 PM EST
You might find this thread interesting..... archive.ar15.com/forums/topic.html?b=3&f=16&t=264855&page=1
Link Posted: 4/17/2006 2:04:27 PM EST
[Last Edit: 4/17/2006 2:08:07 PM EST by DK-Prof]

Originally Posted By Molon:
You might find this thread interesting..... archive.ar15.com/forums/topic.html?b=3&f=16&t=264855&page=1




Sorry I've removed many of the pictures from the arfcom server for space reasons, but Molon's excellent measurements should still be in there.


The summary is that when I was shooting 10-shot groups under good conditions (and with a bipod), average group sizes for XM193 were above 2 inches.

I'm not the world's best shot, but the consensus seems to be that XM193 is not really capable of much better than 2 MOA. You might get a good batch, but you certainly should not expect it.
Link Posted: 4/18/2006 8:06:31 AM EST
Hmm, guess I will try again this weekend with some hornady ammo and see if the groups open up like that again. (Dang have to shoot on a Saturday again )

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