A review of the Bolt B4A1 with the BRSS System by UK Airsoft in this video... "The Bolt B4A1 gives you a high quality M4 style rifle with powerful electric recoil. It features a metal body which gives it a nice realistic weight and feel.

In this video we'll show you:

• A review of the Bolt B4A1 features including what comes in the box
• Testing the FPS, Power and accuracy on the target range
• Giving you a final verdict and whether you should buy this or not"