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Posted: 9/26/2004 1:48:26 PM EDT
[Last Edit: 9/26/2004 5:38:36 PM EDT by sgtmike]
I'm going to cut my Bushmaster 16" HBAR down to just over 14.5 and install a Phantom FS soon. I was wondering if there will be any problems with my gas system and the shorter barrel? Will I have to enlarge the gas port to make sure that it will cycle properly? BTW, I'm shooting primarily XM193/Q3131A and I'll also be shooting XM855 also.

Thanks in advance.

Link Posted: 9/26/2004 9:43:04 PM EDT
Link Posted: 9/27/2004 12:01:24 PM EDT
Thanks Tweak.

I was hoping I would not have to open the port . I'm just waiting for my machinist to get his new lathe set up.

Link Posted: 9/27/2004 12:07:50 PM EDT
[Last Edit: 9/27/2004 12:08:20 PM EDT by H-barCarbine]
I'm going to do the same to my colt 16" upper. How do you plan to perm. attach the FS? I was thinking drill a little hole, put in a pin and spot weld over the top. A little work with the file and some cold blue, we're in buisness!
Link Posted: 9/28/2004 6:45:16 PM EDT

Originally Posted By H-barCarbine:
How do you plan to perm. attach the FS?

I am going for the down and dirty attachment. Spot weld it in 2 places with a mig welder.
The temp will not get high enough to damage or warp the barrel and it will still be removable with a dremel tool.

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