Material: Full Metal Upper & Lower Receivers

Light weight durable aluminum free float licensed M-LOK rail system

or to bring your barrel threads past your rails

and those who are veterans of the sport

With attention to detail and precision engineering

Arcturus Variable Cap Silent 30/135 Round Mid-Cap AEG AK Magazine (Color: Black) tokyo marui Material: Full Metal Upper &FeaturesPolymer constructionSwitch allows the magazine to either hold 135 or 30 roundsHigh tension spring ensures reliable feedingManufacturer: ArcturusColor: BlackSpecifications: Compatibility: Arcturus and most other compatible AK series AEGsCapacity: 30 135 roundsMaterials: Polymer