NAP – Thunderhead 170 Grain Magnum (3 Pack)

There is a reason that NAP broadheads are the best selling broadheads of all time – trust! Generations of bowhunters have trusted for decades, the precision, accuracy, strength and flawless field performance of the legendary NAP Thunderheads and Spitfires.
With the increasing popularity of crossbows, NAP has developed Thunderhead Magnums. By increasing the weight of the Magnum, crossbow hunters now have a high performance head that helps increase front of centre for tighter groups and less wind drift.
By replacing the aluminium ferrule with steel, the weight has increased to 170 grains. With an increase in overall bolt and broadhead weight, the bowhunter can be assured greater kinetic energy will be attained, resulting in better penetration.
The all steel construction of Thunderhead Magnum is designed and engineered for optimal performance with today`s tough, fast-shooting crossbows.
Heavier weights give them better penetration and punch-through power to the target.
NAP Thunderhead Magnum
170 grains delivers proper balance and optimum penetration with crossbow bolts
All steel construction with 3 replaceable shaving sharp blades
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