Specna Arms - SA-B03 M4 AEG Silverback Ambidextrous magazine release on both

Ambidextrous magazine release on both sides

Flat top-rail for easy scope/sight mounting

Blowback Yes

This allows for an almost ideal maneuverability of the replica and its weight is almost unnoticeable once the replica has been shouldered

pins connecting upper and lower receiver

Specna Arms - SA-B03 M4 AEG Silverback Ambidextrous magazine release on bothSpecna Arms SA B03 carbine replica The Specna Arms brand SA B03 carbine replica made predominantly of zinc and aluminum with the use of steel elements in the most important points of the replica ( the screws, the pins and the tactical sling attachment points are made of steel ). The SF type stock which holds the battery and the pistol grip were made of polymer plastic. The replicas body, the RIS rail set were a subject to the process of anodizing what