The Arcturus company is innovating the airsoft market for a long time with new products and the desire to expand its best products with better technical solutions.
The AT-AK12U-PE is an improved version of the AT-AK12-PE replica of the Russian automatic rifle of the new Arcturus PE (Performance Enhanced) series with a 2-shot mode b > and new tactical accessories. 
# Ergonomic changes
The AT-AK12U-PE rifle has received some external modifications, the receiver cover is equipped with a 22mm Picatinny rail, for mounting [optics], but also a new version of the rear sight has been installed. The original AT-AK12U stock has been replaced by a Russian polymer stock with QD attachments points, it can be folded on the left side and has a length adjustment possibility, up to 6 positions.
The last modification can be seen on the pistol grip, the standard AT-AK12U grip has been replaced by a new type of construction, the ergonomic grip is a single element with the trigger guard, which adds the possibility of holding the rifle safely while shooting.
# A durable contruction
The main elements such as receiver, receiver cover, receiver cover latch, safety lever, trigger, trigger guard, magazine latch, bolt carrier, folding stock latch, gas tube, gas port block, front sight base, folding rear sight and flash hider, as in the case of firearms were made of steel. Smaller parts, including the outer barrel were made of aluminum and light alloys. The whole rifle is well fitted and protected against corrosion. Buttstock, pistol grip, magazine, handguard are made of reinforced polymer.
# Reliable internal mechanism
The PE mechanism is a new reinforced gearbox compatible with Marui parts and ETU by GATE/PERUN. Quick Spring Change System (without pull out and open the gearbox), bearing spring guide, bearing piston head, full steel teeth polycarbonate piston, [CNC 13:1 Steel Machined Gears (ROF ~ 25rps)]  mounted on 8mm ball bearings to be able to easily transfer all the power from the motor to the piston gear, which is mounted on a bushing to be able to withstand the highest loads. In addition, the [gearbox is equipped with a High-End Optical PERUN MOSFET]  with Alternative Fire Mode, Active Brake, Pre-Cocking, ROF Reduction, Trigger Sensitive, Progressive Trigger, Binary Trigger, Switchable Li-Po Alarm, Electronic Fuse, Diagnostic System and Adjustable Trigger Stop. The replica also features a CNC POM nozzle w/O-ring that works great with a [Rotary Hop-Up Chamber]  and with a PCP Grade Precision Inner Barrel and mechanical adjustment of the trigger stroke. The latest innovation is a [21TPA High-Torque Neodymium Motor]  with MIM steel pinion gear.
# The set includes:
� replica with a unique serial number
� folding rear sight
� 30/130rds DMAG variable-capacity magazine