Built IBI 6.5 Grendel upper for 180

Fits variety of lowers, SBI lynx, WK, WS ect. Can sell as pictured complete with two hand guards or will consider separating/ barrel only ect  

IBI 19" heavy barrel - stainless, 1.8 twist, mid length 0.076" gas port, head spaced for 7.62x39 bolt (i.e., can swap barrel to shoot 7.62x39, comes with spare barrel mounting plate fasteners) gen 1 bolt. Extremely accurate for an auto loader 180 platform, happy to discuss further. 
 

7.62x39 RWA upper with mid-length gas system and 3/8" diameter two-piece piston. IBI compensator with locknut. TNA buffer with springs and donut. Further parts available if needed, ask away.