New Archery Products NAP Slingblade 4 Broadheads 100 Gr - 3 PackNAP Slingblade 4 Broadheads 100 gr. 3 pk. The New Archery Products NAP Slingblade 4 Broadheads in 100 grain are engineered for precision and performance in the field. Each broadhead features ultra sharp, replaceable razor sharp stainless steel blades that ensure maximum penetration and a clean cut. With a cutting diameter of 2 3 16 inches, these broadheads deliver devastating results on your next hunting trip. Each pack includes practice blades to