with the longitudinal axis of the barrel as the point impacts against a target the carrier is able to pivot in an arc 62 relative to the forecap against a restoring force provided by spring cylinder 34 so the point 14 can assume an orientation not along the longitudinal axis of the dart barrel pivoting is limited by rear taper 55 located within the central body 40 between threaded front insert 39 and threaded rear insert 41 a is a chamber 42 for receiving a weight assembly as shown in fig4 the weight assembly may include a threaded rod 88 with pintle ends 89 the pintle ends of the threaded rod are held between bores 77 of inserts 39 41 a between the rear insert 41 a and the end cap 43 is a chamber the rear cap 43 may include a bore 84 facing forward the rear insert 41 a may include a cup protector 101 having a cup 102 facing to the rear the rear cap further includes a central bore 86 of reduced diameter compared to the bore 84 and communicating with the bore 84 at a shoulder 85 a flight shaft 44 with collar 124 is.