Specna Arms - SA-B03 M4 AEG Silverback Blowback Yes

Blowback Yes

ASR115 engraved a beautiful SPYDER logo on the lower receiver

the KeyMod slot

Ambidextrous magazine release on both sides

allowing users to adapt the grip for comfort

Specna Arms - SA-B03 M4 AEG Silverback Blowback YesSpecna 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