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MR223A3 with Different Caliber Uppers

2841 Views 11 Replies 8 Participants Last post by  AmericaNL, 
A
Does anyone have experiences with different caliber uppers on an MR223A3?

In NL, I am limited in the number of firearms I can own (5), but I can have any number of uppers for a single, registered lower. Specifically, I will be considering a .22, 7.62x39 and perhaps a 9mm upper.

Thanks in advance for any advice!
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