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Posted: 11/9/2003 1:55:48 PM EDT
can you use a regular upper to build a 9mm upper unit? I have a flat top and was wondering if you can put a 9mm bolt and barrel on this
unit. Then get a mag block for the lower.
Link Posted: 11/9/2003 5:17:13 PM EDT
Yes, the upper will have a hole for gas tube to pass, not needed w/9mm, and a forward assist, 9mm Colt pattern bolts do not have assist notches cut on the bolt' body. Put it togehter, and play, thats what I did.
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