TERRA FIRMA FORTIS FLETCHED ARROWS 500 SPINE (DZN) HANDGUN AMMO CNC Machined Aluminum Components –

CNC Machined Aluminum Components – Lightweight yet rugged for field use

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Composite encased biscuit is 150% stronger than previous models

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TERRA FIRMA FORTIS FLETCHED ARROWS 500 SPINE (DZN) HANDGUN AMMO CNC Machined Aluminum Components –The arrow that made Terra Firma's name over a decade of proven hunts behind it. The Fortis 4mm is Terra Firma's original shaft, built for bowhunters who need speed, precision, and toughness in one package. The slim 4mm micro diameter profile cuts through wind and reduces drag, while the dense carbon build handles the impact of hitting bone without flinching. Specs 500 Spine: 7. 6 GPI (grains per inch) 5. 77mm . 227" outer diameter 4mm . 166" inner