Big Dragon 5-Position Stock Pipe.
Fit for Western Arms/G&P WOC M4 series airsoft GBB rifle.
Suit for install 5 Position Sliding Buttstock.
As always, upgrading Airsoft Gun require necessary skill & technique to dissemble the gun, consult expertise if needed.
Big Dragon - Aluminum 5-position Vltor Styel Stock Pipe for M4 WA GBBRBD-SP-05