Specna Arms - RRA SA C07 Core M4 KeyMod Rail ex Internally

Internally

Thanks to the basic muzzle velocity of about 410 FPS which is guaranteed by the default main spring

The v3 gearbox used could be easily upgraded using aftermarket parts to increase the FPS into DMR ranges

Flash hider has special outer thread for suppressor quick detaching

Partial technical solutions are protected by copyright

Specna Arms - RRA SA C07 Core M4 KeyMod Rail ex InternallySA C07 CORE Carbine Replica RRA SA C07 CORE M4 Keymod Specna Arms, meeting the expectations of customers, presents the CORE line a unique series of AEGs that introduces a new quality on the market. Attractive price combined with an innovative spring replacement system and high quality materials makes it a series for both beginners and seasoned airsoft players. CORE series AEGs have full, licensed markings of the firearm manufacturer Rock River Arms.