Arcturus AR MOD1 M4/M16 30/130rd Variable-Cap Windowed EMM Magazine Tan Primary Airsoft The KMP9R variant features a

The KMP9R variant features a bottom accessory rail in place of the molded fore grip allowing for attachment of accessories

This updated KWA AEG3 RM4 SR10 also features a mechanical/electrical cut-off system to stop firing when the magazine is empty at 30 or 120 rd

The GC16 offers an entirely redesigned full metal receiver

the pistol comes pre-installed with a fiber optic front sight and blackout rear sight

Not at all

Arcturus AR MOD1 M4/M16 30/130rd Variable-Cap Windowed EMM Magazine Tan Primary Airsoft The KMP9R variant features aENHANCED CONSTRUCTION One Piece Reinforced Magazine Shell MODULAR INTERNAL Easy Disassembly for Cleaning & Maintenance MODULAR SHELL Quick Replacement for Optional Shells VARIOUS CAPACITY Switchable Mid Real Capacity Or High Capacity LENGTHENED FOLLOWER Snag Free & Reduce BB Waste IMPACT ABSORBING DESIGN For Outstanding Reliability REINFORCED MATERIAL For Long Lasting Durability SPECIFICATION Compatible: M4 M16 Construction: Polymer Capacity: 30 Round