GBB | 6MM

• Steel Bolt Carrier
• Gas operated recoil blowback
• Realistic construction & field stripping
• Semi-automatic & automatic select-fire Ambidextrous Selector Switch
• Full metal alloy flat top receiver, lower receiver and magazine
• Brand new 5 position collapsible stock with rubber backpack
• Quick release Low profile Flip-up PTS front and rear sights
• Functional Bolt catch and release
• Bayonet Lug and foldable Front Sight Modular interface
• Toolless Adjustable hop-up
• M4 Style Charging Handle

You might also interested in: KSC 40rd Magazine for M4 / KR-Series GBB