Arrow Size: Micro-diameter through large target shafts

Durable polypropylene cover has a waterproof barrier that extends the life of your target

this crossbow is sure to exceed your expectations

Designed for high draw weight bows

Clicker extension: Yes (Verta-Tune Clicker Plate)

Altra 166 Reinforced Concentric Outsert System (A.R.C.O.S.) Shaft Size:300 Arrow Size: Micro-diameter through largeThe Pinnacle of Precision & Performance Altra Reinforced Concentric Outset System (A. R. C. O. S.) fits our Altra Arrows 166 Shafts and are machined out of 7075 T6 aluminum for unmatched durability and performance, with optimal fit options. The insert secures into the arrow shaft at a depth of 0. 875", while the outsert then threads directly onto the insert and encapsulates the leading end of the arrow at 0. 43" creating unmatched durability.