The Hybrid-X also incorporates a CeaseFire anti dry-fire unit which will only allow the bow to get fired if an arrow with Excalibur’s Rhino Nock is loaded flawlessly into position. That’s where I bumped into my only hiccup using this bow. The nocks on a few of my test arrows https://casasubito03681.bloggosite.com/45819906/an-unbiased-view-of-mission-crossbow