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Posted: 4/29/2009 5:07:55 PM EDT
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What kind of markings will be on the barrell and bolt/bolt carrier on this model?
Thanks |
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Quoted:
The barrel should be marked "C MP 5.56 1/9". The bolt should be marked "HP", and the bolt carrier should be marked with a "C". Please guys, let me know if I have left anything out here. the barrel may say that plus HBAR, but I cant remeber for sure the upper may not have a "C" but a "D" for the colt canada mark...maybe. same with the bolt carrier |
Between the front sight base and the flash hider in the twelve o'clock position the barrel will be marked as shown below.
The barrel extension will have a "4" stamped in the three o'clock position. 
There will be an "O" stamped near the chamber of the barrel. 
There will be a date code stamped near the front sight base. (The one shown below is from an M4) 
The bolt carrier will have a "C" stamped on the port side. 
Colt uses a variety of markings on their bolts. Here are pics of a few. 
Some of the more recent bolts even have the "MPC" ground down and a large "C" engraved over it. 
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