OPS-Store features the GHM9 Gen2 gas blowback SMG from Lambda Airsoft. This is a compact, modular, and officially licensed B&T replica designed for CQB and Ultra CQB players. It boasts robust construction with a polymer upper and reinforced nylon lower, features a modular design with 20mm RIS and M-LOK rails, and is compatible with MP9 KSC/KWA or dedicated 38BB magazines. This gas blowback system offers semi/full auto firing, adjustable hop-up, and fires between 290-310 FPS.