The buffer tube we sell in our kits are made from 7075 aluminum with dry lube finish (100% milspec). Don't be fooled by other companies selling milspec tubes made from 6061. It might be milspec in size but it's not truly milspec. Buy Rainier, and buy with confidence.
Mil Spec Buffer Tube 7075 aluminum
Standard "H" buffer 3.9oz
Buffer Spring for collapsible stocks
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