Costa Ludus and War Sport collaborated to make a limited edition AR. It is made by War Sport and sold by Reactive Gunworks.

Here is a video of Costa doing his thing with the Costa Ludus Edition AR. SureFire 60 mag dump.

Here are the specs from the Reactive Gunworks page.
– Caliber: .223 Rem/ 5.56NATO

– Chamber: .223 Wylde

– Barrel Length: 14.7” 4150CM LVOA Match Barrel

– Twist Rate: 1/8 RH

– Weight (unloaded): 7.0lbs

– Length (overall): 31” – 35”

– Trigger: Geissele SSA-E

– Stock/Pistol Grip: Magpul CTR / Magpul MIAD

– Sights: None

– Muzzle Device: War Sport GP Comp Pinned and Welded

– Color: Costa Grey

– Extras: Battle Arms 90 Degree Selector, QD End Plate and the first and last position on rail

The AR will retail for $2,650 and you can order it on ReactiveGunworks.com.