Excalibur's legendary design and technology produce the most rugged and reliable crossbow in its class; High-Output Limbs are the most efficient, reliable, and durable limbs on the market; CeaseFire Technology ensures your crossbow will not fire unless an arrow is loaded; Premium, clean-breaking Trigger that delivers precise consistent accuracy like no other; R.E.D.S. Suppressors substantially reduce shock, vibration, and noise