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11/22/2017 10:05:29 PM
Posted: 9/7/2004 4:44:43 PM EST
Are the bushmaster M4 14.5" barrels with miny Y's threaded? Picked one up from the EE and was wandering what was going to be involved in removing the mini Y and installing a vortex or something similar.
Link Posted: 9/7/2004 4:59:45 PM EST
They're threaded with pinned and welded mini-y's on them. See past recent discussions on how to remove them.

I'm actually going to try to modify the y-comp first to see if removing it is what I want to do. Ie: connecting the 2 holes on the side to make like an AR type brake, or just grinding off the ramps that direct the blast backwards.
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