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Posted: 2/2/2008 9:55:43 PM EDT
| Looking to buy a complete upper, all ready go on the lower, for my first build. What is a good one to get? Don't want a real expensive one yet since this is my first build, but would still like a good quality one. Thanks in advance for all the help. |
|
Probably 1:9", but look here for more info: www.ar15.com/content/page.html?id=208 Click on the ammo oracle and chek out the twist rate area. |
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