Model
STG4 MKIII AAC EK PISTOLCaliber
7.62x35mm - .300 BlackoutBarrel Length
190mm - 7.5”Bore Characteristics
Astra VSK Coated, 6 Lands & Grooves, 1 Turn in 7” Right Hand with HD RiflingFlash Suppressor
A2Overall Length
714mm - 28.1” (Stock Retracted 634mm - 25”)Method of Operation
Gas, Direct System, Locking BoltLower Receiver
7075-T6 Aircraft Aluminum with Integrated Oversized Trigger Guard and 2-180 ° QD-SocketsUpper Receiver
7075-T6 Aircraft Aluminum with Integrated Picatinny RailHandguard
Free Floating, Aluminum Handguard with Modular Picatinny Rail Sections Magazine Release
Ambidextrous
Bolt Catch
AmbidextrousSelector
AmbidextrousHammer & Trigger Pins
Non-RotatingRear Sight
Foldable, Adjustable for Windage and Elevation to 600 MetersFront Sight
Foldable, Adjustable in ElevationStock
Collapsible 6-Postion with Locking Friction, 2-180 ° QD-Sockets, 1 Vertical QD-Socket and Rubber PadEnd-Plate
with Integrated QD-SocketGrip
Battle Grip with Integrated StorageMagazine Capacity
30-RoundsFire Control Selection
Safe - Semi - Full Auto