Originally Posted by
Berg
How important it is to match the type of metal of the gas block to the metal of the barrel?
In other words because stainless and CM barrels will expand and contract differently as the temperature changes, is it important to have the gas block expand and contract at the same rate as the barrel?
If the above is important, how about an aluminum block?
Not very. Also, NEVER use an aluminum gas block. Titanium is okay to use.
"That thing looks about as enjoyable as a bowl of exploding dicks." - Magic_Salad0892
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