The 
Lancer Tactical Tandemkross CTHULHU Gas Blowback Pistol
 (Black edition) is a competition-ready airsoft sidearm officially licensed by Tandemkross and built on the highly popular Action Army AAP-01 internal system. It features aggressive race-gun styling, a snappy gas blowback action, and full compatibility with a vast range of AAP-01 and Glock-style upgrades. 
 
Muzzle Velocity: Approximately 300–330 FPS with 0.20g BBs.
Fire Modes: Selectable Semi-Automatic and Full-Automatic.
Construction: High-density reinforced polymer receiver with CNC aluminium race components (compensator, trigger, and controls).
Magazine Capacity: Includes a 24-round green gas magazine; compatible with G-Series (Glock-style) mags from WE, Tokyo Marui, and Action Army.
Dimensions: Overall length of approximately 254mm with a 130mm inner barrel. 
 
"Halo" Charging Ring: A lightweight ambidextrous pull ring at the rear of the bolt that allows for incredibly fast racking.
"Victory" Skeletonized Trigger: Features a flat-face design and an adjustable over-travel screw to tune for rapid follow-up shots.
"Game Changer Pro" Compensator: A CNC-machined squared compensator that covers a 14mm CCW threaded barrel, making it ready for tracers or suppressors.
"HiveGrip": Aggressively textured rubberised grip with a honeycomb pattern for superior control during rapid fire.
Optics Ready: Includes a Picatinny top rail and a separate Red Dot Mount Platecompatible with RMR, Docter, and Noblex footprints.
Enhanced Controls: Features an enlarged "Titan" magazine release, "Bolt Keeper" extended bolt release, and a "Cornerstone" CNC thumb rest (gas pedal) for improved recoil management