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Reason why I ask is that I was going through some of my old parts and came across a barrel I had picked up about 6 years ago. Its a 300 fireball 1x8 twist, 7 inches long and threaded 1/2x28. I found enough parts to build a complete upper including a new bolt but don't have a upper receiver. I was wondering if it would run and be worth buying the upper to build it. Any thoughts on only 7 inches stabilizing heavier bullets ? I already have a 16 inch and 10 tp555 running and have a sbr and pistol lower so a shorty would be cool if I could get it running.
Thanks.
Last edited by mak91; 06-08-2010 at 09:03 PM.
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