Duty Upper Receiver Group, 16″, 5.56 – ODG
The Geissele Duty Complete Upper Receiver Group is a high quality, mil-spec upper that is completely assembled in-house at our facility in North Wales, Pennsylvania. Geissele aims to bring a highly dependable, quality manufactured and assembled upper at a price point for cost conscious shooters who demand optimal performance and reliability. Under the Duty line this is offered at a price that is accessible for Police Departments and the individual officer, as well as anyone looking for a Duty grade upper to depend on.
The Geissele Reliability Enhanced Bolt Carrier Group is Nanoweapon coated and features a properly torqued and staked, chrome lined gas key. The Cam Pin is machined from advanced, medical steel known as H13 which is also coated with Nanoweapon for maximum corrosion and wear resistance. The Geissele Reliability Enhanced Bolt Carrier Group also features extended upper rails, providing greater stability and dramatically increasing feeding reliability. The Geissele Reliability Enhanced Bolt Carrier Group comes with the Geissele Stressproof Bolt. Made from Carpenter 158+, directly developed with Carpenter Steel metallurgists to create a material that is cleaner and has less impurities. This makes our Stressproof bolt stronger and more fatigue resistant. The Geissele Stressproof bolt is also forged, not machined from barstock. This allows us to optimize the grain structure of the steel to yield a bolt capable of 5 times the life of a mil-spec bolt. Each bolt is rigorously inspected, high pressure tested, mag particle inspected and Nanoweapon coated.
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