|09-07-2004, 04:22 PM||#1|
Join Date: Aug 2004
Changing Gas Port on AR15 Types?
can the gas port location be changed on AR15 type rifles? for example, closing the old port on a short CAR barrel and making an opening for a mid length barrel? is this a good idea?
|09-07-2004, 09:07 PM||#2|
Join Date: Jun 2001
There's really no practical or effective way of closing a port.
Although it's physically possible, it always has "issues" with the inside of the bore.
Either there's a "bump" in the bore, or a shallow hole where the plug fails to go in far enough.
It might be possible to lap the bore to correct a too-long plug, but in a chrome lined barrel lapping is NOT a good idea.
Better options are:
Shortening a longer barrel.
Buying a "Dissipater" type barrel from Bushmaster, which has a port located farther forward.
Bushmaster sells several versions. http://www.bushmaster.com/shopping/barr ... l-16da.asp
Having a new barrel made from a blank.
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