SRU AR Kit Extended Rail Originating-Armory_BERETTA have a "last round bolt

have a "last round bolt hold open" when your magazine is empty

Suitable For Tokyo Marui DT

With Picatinny Rail on top for Red Dot Sight RDS

especially the grip can be customized to fit any shooter by using a mix of three interchangeable backstraps and six grip panels

(3) Turn on your timer and start to counting time and shooting

SRU AR Kit Extended Rail Originating-Armory_BERETTA have a "last round boltPrototype division is a new production line of SRU brand. SRU apply 3D weaving technology on manufacturing. This way leads concepts boom out with no limitation, also makes it much more faster to push theses amazing ideas from SRU design house into the market. SRU AR Kit Extended Rail 3D Printing Technology Bullpup kit Include Extended Rail Handguard Innovation Shape & Detail Marking Designed for SR BUP AR AEG kit (SRU AR BULLPUP Conversion Kit)