Folding Stock Adapter Compatible with AR Platform GBB
Constructed by Steel and T6 Aluminum, QPQ Finishing On the Steel Parts to Provide The Most Durable and Hard Coat Anodized on Aluminum Parts
Package Provided 2 x Bolt Extension to Fit The Most Popular GBB Spec16.7mm Bolt Carrier Extension fits Tokyo Marui MWS, latest VFC M4 GBB, VFC HK416 GBB (not HK416A5A5)15.5mm Bolt Carrier Extension fits VFC forged CNC bolt carrier series GBB, VFC SR16E3, and VFC HK416A5
Also, 2 sizes of Thread Flanges Included fitting both MWS / VFC Buffer Tube Threading.
Sorry, we do not have any version to fit GHK at the moment.