The PTS Mega Arms MKM GBBR series of guns are variation based on the M4/AR-15 platform. The Mega Arms GBBR (Airsoft Gas Blowback Rifle) represents the continued evolution of Airsoft guns as training systems. The PTS GBBR series of Airsoft guns features the same firearms manipulations and functions as found on real AR15 firearms. Precision machined and engineered, the PTS Mega Arms MKM GBBR is a perfect training gun for the shooter who desires realistic firearms manipulation, the reliability of PTS training products and the unique style that only Mega Arms can envision.


Core Features: 
• Gas operated recoil blowback
• Realistic construction and field stripping
• Functional bolt catch and release
• Functional forward assist
• Semi and full auto select fire modes
• Adjustable hop-up

Special Features: 
• PTS Mega Arms GTR-3H Billet Lower Receiver with flared magazine well
• PTS Mega Arms MKM AR-15 Billet Upper Receiver with Key Mod Handguard
• Compatible with all standard Key Mod accessories
• Ultra lightweight design
• PTS Mega Arms Skeletonized Trigger
• Black hard anodized finish
• Exclusive Mega Arms LLC licensed product
• Adjustable front and rear sights
• Collapsible stock