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[ARCHIVED THREAD] - Bushmaster M4 upper ??

Posted: 3/5/2005 7:15:40 AM EDT

You guys think that a Colt Sp1 bolt and carrier will work in this upper without problems? Thanks for the help.

Posted: 3/5/2005 8:26:55 AM EDT

[#1]

Not a problem. Drop in and check for normal functioning. Headspace gauge check would be prudent.

JohnM at Home

Posted: 3/5/2005 1:26:48 PM EDT

[#2]

Thanks alot John muchly appreciated.

[ARCHIVED THREAD] - Bushmaster M4 upper ??

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