Altra Insert And Outsert .166 350 Spine Red Dot Fortis engineer

Fortis engineer

Fuel management (Distance to Empty

consistent ammunition

Compact and easy to install

Simple and safe operation

Altra Insert And Outsert .166 350 Spine Red Dot Fortis engineerThe 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. Essential rubber O rings come pre installed on the insert within the A. R. C. O. S., as they aid in locking the outsert in place which reduces vibration and improves concentricity between the outsert to the insert for a more precise arrow set up and