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Posted: 2/18/2006 5:34:02 PM EDT
What is the lowest bullet weight that I could use in a 1:7 barrel?
Link Posted: 2/18/2006 5:44:50 PM EDT
[Last Edit: 2/18/2006 5:45:22 PM EDT by TKO]
As low as you want to go.

You will not get enough speed out of an AR to "over rpm" most bullets.
Link Posted: 2/18/2006 6:32:43 PM EDT
varmint bullets with very thin jackets at high velocity may not stay together with the fast twist barrel. I think lighter bullets with normal jackets are fine.
Link Posted: 2/18/2006 7:31:24 PM EDT
Would you loose accuracy?
Link Posted: 2/18/2006 8:01:26 PM EDT
you wont have accuracy if the bullet doesnt make it to the target and if it does it will pepper it.



i have shot 55gr with no problems
Link Posted: 2/18/2006 8:05:24 PM EDT

Originally Posted By eklikwhoa:
you wont have accuracy if the bullet doesnt make it to the target and if it does it will pepper it.



i have shot 55gr with no problems




That's good to know. I just finished a build with one of Denny's recon barrels and haven't shot it yet, but I was wondering if I was gonna be stuck using the heavier bullets.
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