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12/6/2019 7:27:02 PM
Posted: 3/16/2005 8:41:29 PM EST
I bought one of the YHM Phantoms with the closed in bottom (similar to the A2 FH).....do the Phantom's need to be torqued when installed? I heard they do not but I wanted to confirm.

If I remember right the A2 style calls for 15-20 ft lbs of torque. I just don't know if the same applies to a closed bottom Phantom.

Link Posted: 3/17/2005 2:16:58 AM EST
[Last Edit: 3/17/2005 2:17:18 AM EST by mr_wilson]
The closed bottom flash-suppressors need to be "INDEXED", so the closed bottom is on the bottom.

This is accomplished by use of a "crush-washer" in most instances.

Unless of course if the Phantom is going on a 14.5" M4 barrel in which case it should be welded and pinned on, in order to be legal, after being properly indexed.

Link Posted: 3/17/2005 3:29:33 AM EST
use a crush washer (normally included with the 5c1-2) and tighten till you get resistance and then tighten some more till its indexed.
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