AR Sponsor
Posted: 5/2/2014 2:44:38 PM EDT
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Searched, looked, couldn't find it again.
Who makes an upper for the AR in 9mm that doesn't require a buffer tube? Something similar to SIG's MPX or a CMMG .22 upper. I know it is an op rod upper or something not requiring a buffer or buffer tube. TIA |
AR Sponsor