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1/22/2020 12:12:56 PM
Posted: 10/8/2007 5:44:21 PM EST
Hey gang,
Might pick up a Colt 6450 and convert it over to a standard A3 upper. Was curious if any of you guys have done 9mm builds on non-9mm upper receivers? I know the forward assist will not function, which is fine, but I was wondering what kind of ejection to expect with a standard 5.56 brass deflector...brass in my face or will it work?
Link Posted: 10/8/2007 5:59:39 PM EST
I used a CMMG upper with the 9mm deflector. Worked fine for me. I removed the forward assist, and even with out a plug, there was no blow back debris.
Link Posted: 10/8/2007 6:47:32 PM EST

Originally Posted By eringobragh:
Hey gang,
Might pick up a Colt 6450 and convert it over to a standard A3 upper. Was curious if any of you guys have done 9mm builds on non-9mm upper receivers? I know the forward assist will not function, which is fine, but I was wondering what kind of ejection to expect with a standard 5.56 brass deflector...brass in my face or will it work?


The 9mm deflector is for gas not brass you will be fine. Mike
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