This is the best suitable to ultimate user to optimise the chamber setting and maintain stability

More interestingly though

High tension spring feeds BB into AEG with ease

Features Front And Rear Hook And Loop Panels Attaches Additional Tactical Gear

Battery is housed in the stock of the AEG

Lancer Tactical Quick-Release Knee & Elbow Pad Set lower face mesh This is the best suitableSet Include: 2 x Elbow Pads & 2 x Knee Pads Available Colors: Black, Tan, OD Green, ACU, Desert Digital, Marpat, Multicam, Woodland Camo Constructed of quality TPU, high density foam, and nylon. Provides complete elbow and knee protection during combat. Adjustable elastic hook n loop straps to comfortably fits most. Quick release design allows for rapid removal and attachment. Quick Release Buckling on Knee Pads Elastic Velcro Straps High Density