The SJ SiJun DDM4 PDW combines tactical performance with refined engineering. This gel blaster features authentic blowback action and dual firing modes—semi-auto and full-auto—delivering 220 FPS with precision. The collapsible buttstock and ergonomic pistol grip adapt to various shooting styles. Powered by an 11.1V Tamiya LiPo battery, this PDW platform offers serious performance for gel blaster enthusiasts. 

Features:

• blowback.
• mag prime.
• pull the charging handle to enter empty hanging.
• collapsible pdw buttstock and anti-slip pistol grip.
• two shooting modes to choose.
• compatible with jingji pmag magazines.
• made with many metal parts such as gears, inner & outer barrels, muzzle, trigger, charging handle, bolt catch, fire selector, mag release, dust cover.

Specifications:

Brand: si jun.
Blaster Material: nylon.
Gears material: metal.
Fire modes: semi-auto / full auto.
Firepower:  220 FPS.
Ammo type: 7-8mm gel balls.
Battery type: 11.1v tamiya plug.
Weight: 1.5kg.
Size: 58.5*26.5cm.

Package Content:

1* sijun ddm4 pdw gel blaster.
1* magazine.
1* muzzle.
1* pack of gel ball.
1* safety glasses.
1* 11.1v tamiya plug lipo battery.
1* usb charger.