Jaeger Precision get to show how to short stroke the Lambda Defence GHM9-G GBB. The Lambda Defence B&T Licensed GHM9 GBBR SMG is a replica of the B&T GHM-9 Sub-machine gun built with aluminium, steel and nylon for durability. It boasts realistic performance, adaptability for various accessories like pistol grips and stocks, and magazine compatibility with most G17 airsoft brands, plus Lambda Defence plans to release even more upgrade parts in the future.