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1/25/2018 7:38:29 AM
Posted: 5/29/2003 9:22:53 AM EST
I recently posted a topic about poor accuracy I had experienced with military ball in a 14.5 Bushmaster HBAR barrel with 1/9 twist.

I was getting 4MOA groups.

I added a Harris tilting "Std L" Bi-pod (with the ARMS throwlever from MSTN) and got rid of the sand bags and changed from No-name green laquered primer military ball to the still cheap .55grain Remington UMC and groups at 100yds:

Shrank to a repeatable 3/4-1MOA

I was shocked (completely expecting the same 4MOA groups I had encountered before)

I guess the moral for me is not to expect much out of surplus ball ammo
Link Posted: 5/29/2003 9:26:24 AM EST
FWIW, Q3131A outta RRA M4: [url]http://www.ar15.com/forums/topic.html?b=3&f=118&t=161267&w=myTopicPop[/url] Mike
Link Posted: 5/29/2003 2:44:46 PM EST
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