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Posted: 8/16/2005 7:59:59 PM EDT
It is an A2 HBAR upper with a colt barrel stamped 5/95 and C MP 5.56 NATO 1/7 HBAR. The chamber looks chromed, but I don't know about the barrel? The muzzle has a 3 slot compensator that looks pinned in place. Here's a pic: Brake pic Is the barrel threaded under the brake? The brake slots are at 9, 12, and 3 o'clock with a closed bottom. Is this comp loud? Can I drill (carefully) to remove the pin then unscrew it? What do I need to use to hold the barrel while removing the brake then installing a flash suppressor?

The upper has 0.25 inch diameter holes in both mounting lugs. The only mark is a broken A by the rear sight. I'm guessing this is not a colt upper. Here's a pic: upper pic The bolt group and charging handle shows little wear and are unmarked. The bolt compartment in the carrier looks chromed. Here a pic: bolt group pic
Link Posted: 8/17/2005 12:28:19 AM EDT
Link Posted: 8/17/2005 5:15:37 AM EDT

Originally Posted By JTAC_Supply:
The barrel should be threaded under the brake. Best bet is to dremel around the pin and you may be able to remove it as it doesn't look to have been welded over.

J





+1


use a dremel till the pin is loose and pull it out.

hold the barrel with some barrel clamps in a vise and remove/install
Link Posted: 8/17/2005 9:14:27 AM EDT
Will the pin go straight down or are they installed at an angle?
Link Posted: 8/17/2005 9:44:33 AM EDT
Link Posted: 8/17/2005 9:51:59 AM EDT
Silver solder + oxy/acetylene torch = easy removal.
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