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Posted: 2/23/2006 8:59:50 AM EDT
| I have an upper receiver that is marked with a C and under that is an MB. I understand from searching in these posts that a C with an M indicates a Colt, Martin Marietta. Can any one tell me the maker of the C over MB piece? Many thanks for any help. Connscot |
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Good call, Madness! From _DR's Lower Receiver Mag Floorplates Rollmarks and Markings Thread 
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