UK airsoft players get the chance to buy the Lone Star Airsoft Border Patrol M4 Series made by Evolution Airsoft at Rules of Engagement (ROE). They have taken 25% off the price of these series and it will be just for a day only (18 February 2013) . So hurry up if you want to avail of this big discount before their stocks run out. ROE is the sole dealer of Lone Star airsoft series in the UK.