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2/13/2010 6:55:06 AM EDT
I am thinking about buying an upper vice block, I see several types, what type you think is the better upper vice block?

Also dose the flash hider unscrew or is it weld on my CMMG upper.

It has the crush washer so I think it should unscrew.
2/13/2010 7:12:38 AM EDT
[#1]
pics, but unless it is shorter than 16 inches it should not be permanantly attatched.
2/13/2010 7:23:15 AM EDT
[#2]
go with the bushmaster upper. it can be used on the a1,a2 & m4. can any of the others?
2/13/2010 7:37:52 AM EDT
[#3]
Quoted:
pics, but unless it is shorter than 16 inches it should not be permanantly attatched.
Chadwick is right-CMMG's flash hiders should be screwed on unless it's on a barrel less than 16" long.   And it should be very clear in the web listing that the flash hider is permanently attached.

I have both a DPMS "Panther Claw" upper block and a pair of aluminum barrel vise blocks.  The aluminum blocks cost me under $20, while the Panther Claw cost about $40.  For a flash hider, I'd definitely use the vise blocks, and I'd hold the barrel between the flash hider and FSB when I attempted to do anything with the flash hider.

2/13/2010 8:05:52 AM EDT
[#4]
I just got the DPMS panther claw. Works great and holds the upper nice and tight. Used it to install a TROY TRX free float on my M&P. No problems removing and reinstalling FH and barrel nut. Order it from cheaper than dirt. It's showed up sooner than expected.
2/13/2010 9:01:32 AM EDT
[#5]
Best vice block I have used as long as you are building a flat-top upper…

LINK


Pic of block from the web…
2/13/2010 2:42:28 PM EDT
[#6]
Thank You, I just ordered one. That is the best one I have seen.
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