This is a Built Krytac DMR style rifle. It’s a rifle made to have some seriously good long range accuracy. If there’s anything you’d like to change or upgrade on the gun before you receive it we can make it happen. Different trigger, upgraded hopup unit, different polarstar engine, we’ll do it for you. About The Internals: This rifle is powered by a Polarstar Kythera. This is polarstars only mechanical engine which means it has a realistic trigger pull (break and reset) as well as not needed any electrical components. Simply plug in your airline and you’re ready to shoot. It has a closed bolt system same as the Polarstar fusion engine and F2 which allows for extreme consistency and accuracy. This engine is semi only with no full auto function. It’s paired with the best Hopup unit on the market the Maxx me pro Details on the gun: It’s a full metal body which is extremely comfortable to hold. It has a tuned trigger to make shooting fast super easy. Shoots 400fps at 80psi with a .25g bb. FPS range is 300-470. Comes a shown but without attachments but comes with magazine. Tracer unit, battery charge, battery, fcu, airtank, regulator, and line can be added for extra. Parts list: Krytac Triton Base Rifle 11in keymod rail Adjustable stock Polarstar Kythera (MAP $300) Black Trigger Maxx me pro hopup unit Madbull red bucking Krytac 6.03 375mm inner barrel Maintenance It’s recommended to service the engine every 40,000 shots or (3-5 months of average weekend use) this can be done by sending the rifle back to us and we will do a full inspection and tune up of your rifle, or you can send it to your local tech