The XM177 Colt Sound Moderator was Colt's attempt to make the XM177 series (CAR 15) sound like a full size M16 to avoid this sound vectoring issue. It failed miserably, as anybody who has seem both fired side by side would attest. The VC and NVA would always know who the butter bar was....
Last edited by alanint; 06-28-2011 at 08:16 AM.
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