Specna Arms SA-J20 FLEX High Speed ​​Machine Gun

This replica of a PPK-20 submachine gun features an M-Lok handguard and a high rate of fire of 30 rounds per second.

Specna Arms Flex-Series: Versatile and Customizable Airsoft Replica

The Specna Arms Flex-Series combines innovative technology with top-notch performance to offer airsoft players a versatile and customizable replica. This series is ideal as entry-level models for new players who want to delve into the exciting world of airsoft. With its lightweight design and user-friendly handling, the Flex Series allows you to get into the game effortlessly.

The SA ETU 1™ features optical sensors that monitor the trigger and piston position, enabling better responsiveness and a fully completed cycle. This improves the lifespan of the replica. 

• 5-stage pre-tensioning: Programmed pre-tensioning with learning function for optimal positioning of the piston - ideal for responsive firing.
• Calibration function: Automatically calibrates after connecting the battery with a few individual shots to precisely adjust the piston position.
• Shot cycle: Each shot is fired as a complete cycle, which relieves the load on springs and mechanical parts and extends the lifespan of the replica.
• Fire modes customizable: Various modes such as semi-automatic, 2- and 3-shot burst, and binary