New in box Glock 40 Gen 4 MOS 10mm with an X-Werks Cerakoted Magpul FDE slide and Midnight Bronze Frame! Comes factory new with 2 black interchangeable backstraps, Glock hard case, 3 magazines, loader tool, cleaning brush, manual and lock! The Glock 40 Gen4 is chambered in 10mm and has a full 6-inch barrel for an improved velocity.The G40 Gen 4 is a powerful yet easily carried pistol; perfect for the outdoor person, hunter, or sport shooter. It is designed to give the handgun hunter the ultimate choice in semi-automatic gaming pistol and has proven to be more than capable of taking down game such as whitetail deer, russian boar, and feral hogs. Glock engineers have developed the Glock Modular Optic System (MOS) to simplify mounting of popular optics without costly custom machining of the pistol's slide. The MOS is offered with cover plate when no optic is mounted and four plates options to comply with the specifications of some of the most trusted optic manufacturers in the industry. MOS gives you the option of adding tall iron sights allowing the optic and the iron sights to co-witness. Need upgraded sights? Let us know and we'll get you prices and get it done the way you'd like! Follow X-Werks on Instagram for Updates and specials!! Please allow 2-3 business days for coating and items to ship once payment and FFL are received. FFL's can be emailed, faxed or mailed to us. Please reference your name and the item number to prevent any delays in shipping. Long guns and accessories ship UPS Ground. Handguns are shipped USPS priority mail. Once payment and FFL are received we will email you a tracking/delivery confirmation number. NO CREDIT CARD FEES! Serial numbers will vary.