Fixed Blade Broadhead Review
NAP Thunderhead Review
A genuine classic with great flight and sharp blades, now showing its age against a generation of better heads.
How it scored
Scored on our fixed 5-part system — built from the consensus of field reports, video tests and hunter feedback. Each axis is an independent 0–10 score. How we score ↗
What we liked
- Excellent flight for a replaceable-blade head
- Sharp blades out of the box
- Time-tested, proven design
- Inexpensive and widely available
- Easy replaceable-blade maintenance
Where it falls short
- Older design outclassed by newer heads
- Aluminum ferrule and blades less durable than steel
- Penetration trails modern designs
- Larger cut diameters can be tougher to tune
Flight & accuracy
For a replaceable-blade head of its era, the Thunderhead flies very well, and that accuracy is a big reason it has stayed in quivers for decades. The available cut diameters from 1 1/16" up to 1.25" let you trade a little forgiveness for a wider wound, with the smaller cut tuning most easily.
Penetration
Penetration is adequate for whitetail but unremarkable by modern standards. The replaceable-blade design and aluminum ferrule do not drive as deep as today's one-piece steel heads, and hunters note that newer designs simply do more with the same energy.
Durability & edge retention
This is where the Thunderhead's age shows. The thin replaceable blades and aluminum ferrule are more prone to damage than steel-bodied heads, and edge retention is ordinary. It is a head built for clean broadside shots, not bone-crushing abuse.
Blood trail
The sharp blades and the option for a 1.25" cut produce good, reliable blood trails on solid hits, and this remains one of the Thunderhead's stronger points. It cuts cleanly even if it does not penetrate as deeply as newer heads.
Value & who it's for
At about $30 a three-pack, the Thunderhead is a cheap, sharp, accurate head for whitetail hunters on a budget. But honest buyers should know it is an outdated relic; NAP's own HellRazor and most modern designs outperform it, so it is best for nostalgia or value rather than cutting-edge performance.
Specifications
| Brand | NAP |
|---|---|
| Type | Fixed Blade |
| Cutting diameter | 1 1/16" – 1.25" |
| Blades | 3 replaceable |
| Grain options | 100gr, 125gr |
| Blade / steel | Stainless replaceable blades |
| Ferrule | Aluminum |
| Pack | 3-pack |
| Approx. price | ~$30 / 3-pack |
| Best for | Whitetail, Budget setups, Replaceable-blade fans |
Specs and pricing are approximate and change frequently — confirm with the retailer before buying.
FAQ
Is the NAP Thunderhead still worth buying?
For budget whitetail hunting it is fine, but it is an older design and newer heads, including NAP's HellRazor, outperform it on flight and durability.
How big does the NAP Thunderhead cut?
Depending on the model it cuts from 1 1/16" up to 1.25".
Is the NAP Thunderhead sharp out of the box?
Yes. Its replaceable blades are sharp from the package, which has always been one of its strengths.
Sources
Sentiment for this review was aggregated from independent tests, hunting forums and retailer reviews, including:
