Echo 1 m28 was the best out of the box sniper rifle ive seen thats not in the pre upgraded category. It was shooting around 480fps w/.20 then. Some upgrades that this beauty has is a**EDIT now has MadBull Black Python tight bore not thePrometheus tigh bore inner barrel 6.03 517mm, madbull shark bucking, SPEED alum tunable trigger black, SPEED precision trigger sears, m150 spring installed also comes with a m130, m170, AA spring guide, AC Advanced PSS2 piston, AC Power Accuracy piston Head, AA barrell spacers, PDI Hopup chamber, AC cylinder and cylinder head, custom paint job along with the scope and bipods were painted to match as well. This rifle is an absolute dragon slayer chronod 532fps with .2, was 398fps with .48s which is what i run in it and 300 ft shots? Easily! I have a indoor/outdoor range at my house(serious buyers ill share pics of) the field has a tree line at the end of it first big tree we measured at 302ft and this rifle hits that tree while the bb is still in its effective range and its doing it with.48s. It comes with custom painted 6-24×50aoe custom painted scope, custom painted bipod, 8 mags, the 2 extra springs, a threaded barrel adapter for a suppressor and a 10inch foam filled suppressor plus shipping and fees included all for only $275 .rifle and all that comes with is used and works as it should. No trades