So these guys came out of now where....
they should fire their non existent marketing guy
Can use both Milsig and Rap4 mags and will have their own FS round
site: Scarab Arms
"The Scarab TGR2 MILSIM Magazine Fed Marker is constructed from durable light-weight T6 Aluminum Alloy and Nylon Fiber with fully ambidextrous controls, sling mounts, comfortable ergonomics and an easy and quick dissasembly feature. The Scarab Marker is equipped with high end iron sights and an integrated MIL-STD 1913 top mounting rail for optical or electronic sights and other accessories. The lightweight fiber magazine holds 18 projectiles while the marker its self features a chamber sight window to instantly verify both the payload type and need to conduct a tactical or regular reload.
In addition to this the SCARAB will accept numerous 0.68 paintball magazines manufactured by different suppliers.
The propellant source is hidden in the butstock for a more realistic and tactical feel while the pistol grip can be exchanged with almost all Gas Blow Back Airsoft AR platforms or real steel m4/m16 pistol grips.
The Barrel system is 100% free floating accepting any A5 threaded barrel. The Scarab also comes standard with an extremely tough RIS sytem that holds a built in cleaning rod."
"Caliber: 0.68(17mm) and Fin Stabalized Round Ready
Action: Semi-Automatic – open bolt Blowback
Fire Selector: Ambidextrous
Rail System: Free Floating RIS
Magazine release: Ambidextrous
Propellant: HPA, CO2 or Nitrogen
Working Pressure: 300 – 1000PSI
Projectile Feed: Spring loaded Magazine Fed
Effective Range (standard 0.68 Paintball – 3.2g) 45m/147ft
Effective Range (Scarab Round) 70m/229ft
Velocity: up to 300FPS Please ensure your marker is shooting at 300fps or under to ensure a safe MILSIM environment."
**Some Info borrowed from GreyOps (here