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Posted: 9/26/2004 12:07:27 PM EDT
Anyone know if a RRA 9mm barrel can be used to replace an existing Olympic Arms 9mm barrel? while using the Olympic Arms bolt+carrier + extractor?

Link Posted: 9/26/2004 5:33:18 PM EDT
[Last Edit: 9/26/2004 6:00:50 PM EDT by SBR7_11]
No, cannot swap parts between systems.

RRA/COLT/ASA all use a flat rear to the barrel, and bolt is flat at front.

Oly has the "extension" portion bored to allow bolthead on front of carrier to enter the bore.

Look down a couple threads for pics of the oly system, then look at m60joe.com cnc barrel work for pics of a Colt/RRA/ASA barrel he did work on. look at the bolt, and the barrels to see the differences.
Link Posted: 9/26/2004 5:50:27 PM EDT
Thanks for the info
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