Xmas giveaway! All you have to do is order through us here on HopUp through Jan. 1! We’re picking 3 different buyers to receive 1 AceTech Lighter Tracer Unit. Features - Aluminum alloy construction - Extremely lightweight skeletonized design - Ideal for competition style builds - Billet style design - Officially licensed design by F-1 Firearms with F-1 trademarks Based in the great state of Texas, F-1 Firearms has become one of the premier brands in semi-automatic sporting rifles. Utilizing premium materials and cutting edge manufacturing processes, F1 produces firearms that are lighter, stronger, more accurate and built to more demanding tolerances than their competition. F-1 Firearms are designed to stand out from the crowd, with an F-1 rifle, not only will you look better than the rest, you'll shoot better than the rest. Manufacturer: EMG / F-1 Firearms (OEM: APS) Color: Black Specifications: Compatibility: APS Version 2 gearboxes Material: Aluminum alloy