SiJun SJ Metal Charging Handle Blowback Parts Type:metal mag release for SJ M4 MK18 this Water Gun Uzi brings

this Water Gun Uzi brings serious firepower to water fights

and mk18 mod builds

Boost your Nerf game with the Worker Upgrade Spring for the N-strike Elite Retaliator

Hunting Helmets GPP Perfect US Army M1 Green Helmet Replica with Net/Canvas Chin Strap DIY

good feeding and high rate of fire shooting 7-8mm gels

SiJun SJ Metal Charging Handle Blowback Parts Type:metal mag release for SJ M4 MK18 this Water Gun Uzi bringsSpecifications: These metal upgrade parts are compatible with sj series gel ball blasters like sj mk18, sj m4, or sj hk416d etc,. Brand: si jun. Material: metal. Color black. Package includes: 1x metal charging handle. or 1x metal blowback kit. or 1x metal dust cover. or 1x metal mag release. or 1x metal dowel.