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Posted: 4/9/2006 3:54:19 PM EDT
I recently purchased a 14.5" upper with a Phantom pinned and welded. The last 3/4" or so of muzzle below the FS is discolored brown. Is this just a cosmetic issue or did that area of the barrel get too hot? Any potential for problems down the road?
Link Posted: 4/9/2006 4:04:36 PM EDT
Im Guessing it was either MIG or Tig welded , if so , the parkerizeing just got discolored , and you will not have a issue with functioning , just cosmetic , if this bothers you , you might try having it re-parkerized , or if you have a air-brush , just do a touch up with norrells moly resin
Link Posted: 4/9/2006 4:16:26 PM EDT

Who did you buy it from ?

Any great amount of heat will discolor the Finish.

Are you sure its welded? , Most of the vendors doing this use silver solder, and refinish
the barrel end afterward.
Link Posted: 4/9/2006 4:20:46 PM EDT

Originally Posted By AKsRule:
Who did you buy it from ?

Any great amount of heat will discolor the Finish.

Are you sure its welded? , Most of the vendors doing this use silver solder, and refinish
the barrel end afterward.



I purchased the upper from an individual, but the work was done by Kurt at KKF and he blind pins. You can clearly see the weld at 6 o'clock.
Link Posted: 4/9/2006 5:02:57 PM EDT

Ah , well if Kurt did it I'm sure its fine , it's only necessary to weld over the blind pin to
be legal on the length.

I would just use some flat black heat resistant paint and then a coat of CLP.
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