Easton FMJ Max 5mm Fletched Hunting Arrows w/ HIT Inserts — 6 Pack (300/340 Spine)Easton FMJ Max 5mm Heavy Spine Hunting Arrows Built for Deep Penetration The Easton FMJ Max 5mm in 300 and 340 spine is engineered for bowhunters running heavier draw weights who demand maximum kinetic energy and pass through penetration on big game. The Full Metal Jacket system bonds a high modulus carbon core to a 7075 aluminum alloy outer jacket delivering the structural integrity, weight forward momentum, and tight tolerances that serious hunters