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gregr266
11-01-2010, 9:55 PM
How would you or can you change out a barrel on a monolithic upper like the colt 6240?

gregr266
11-01-2010, 9:58 PM
Sorry should read colt 6940

paladin4415
11-01-2010, 10:10 PM
Yes, all the different manufacturers have special tools made to get around however they made their particular upper.

bjl333
11-01-2010, 10:49 PM
There is a long pipe looking wrench with a handle at the end. The wrench end goes into the rail and very carefully turn. Best left to someone with the know how!!! Not me. :D

Kerplow
11-01-2010, 11:24 PM
sounds like a pain in the butt to line up the gas tube notch