G5 Outdoors Montec Broadheads Crossbow Design, 100 Grain (Pack of 3) - 611 The G5 Montec crossbow broadhead has a one-piece stainless steel construction and easy-to-install design specifically geared towards hunters. It features strong, multi-tapered blades, a cut-on-contact nose, and easy-to-sharpen edges. Choose from 100 and 125 grains.