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The penetration benchmark. A one-piece A2 tool-steel single-bevel head with a bleeder option, ground to a shaving edge and built to be resharpened for years.
Pros
- Unmatched penetration and ethical wound channels
- Extreme durability and structural integrity
- Exceptional edge retention of A2 tool steel
- Consistent flight characteristics, field point accurate
- Resharpenable for multiple seasons of use
Cons
- High initial cost compared to competitors
- Requires specific sharpening tools for optimal reuse
- Fixed blade design may not suit all quiver styles
Best uses
- Deer hunting, all species
- Tough hide and bone impacts
- Hunters prioritizing penetration
- Long-term, multi-season use
Specifications
- Maker
- Iron Will
- Model
- S Series (S100)
- Material
- A2 Tool Steel
- Weight
- 100 grains (also available in 125, 150, 175, 200, 225)
- Design
- One-piece, single-bevel
- Blade Type
- Fixed
Pricing
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Full catalog listing & offersBest for
Deer hunting, all species, Tough hide and bone impacts, Hunters prioritizing penetration, Long-term, multi-season use
Where to buy the S Series (S100)
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The Iron Will S Series (specifically the S100 for this list) stands as a testament to broadhead engineering, earning its top spot through relentless dedication to performance and durability. This isn't a broadhead designed for a single season's hunt; it's a precision instrument built to be sharpened, reused, and trusted for years to come. Its fundamental appeal lies in its unwavering ability to deliver deep penetration and devastating wound channels, ensuring clean, ethical kills on deer. While the initial investment is higher than most, the long-term value derived from its robust construction and consistent reliability quickly offsets the cost, making it a favorite among serious bowhunters. What sets it apart is the meticulous craftsmanship applied to its core design. Forged from A2 tool steel, a material renowned for its toughness and edge retention, the S100 is a single-piece head that eliminates potential failure points common in multi-component designs. The single-bevel grind contributes significantly to its rotational effect during penetration, enhancing tissue damage and maintaining a clear flight path. This broadhead is for the hunter who demands peak performance, who understands that success in the field often hinges on the quality and reliability of their gear, and who values a tool that performs without compromise when the moment of truth arrives. It's a broadhead that inspires confidence, not just in its ability to penetrate, but in its consistent flight characteristics and its capacity to be resharpened to a razor's edge time and again. It demands respect and proper maintenance, but in return, it offers unparalleled peace of mind when targeting deer. This isn't a disposable broadhead; it's an investment in effective, ethical hunting.
Construction & Materials
The S100 is milled from a single block of A2 tool steel, a material chosen for its exceptional hardness, wear resistance, and ability to hold a keen edge. This single-piece construction is a critical differentiator, eliminating weak points like ferrule-to-blade connections often found in multi-part broadheads. The blades are ground with a distinct single bevel, a design choice that promotes rotation upon entry, enhancing tissue damage and penetration. This also ensures extreme robustness, allowing the broadhead to withstand impacts that would destroy lesser designs. The optional bleeder blades, typically made from high-carbon stainless steel, are sharp and precisely seated, adding to the cutting diameter without compromising the structural integrity of the main blade.
Real-World Performance
In the field, the S Series broadheads are consistent performers. Flight characteristics are excellent, often mirroring field points with proper tuning, which is a major advantage for accuracy. Upon impact, the single-bevel design, combined with the extreme sharpness of the A2 steel, slices through hide and tissue efficiently. The primary benefit is deep penetration, even on challenging quartering shots or bone impacts. Hunters report reliable pass-throughs on deer, resulting in significant wound channels and short blood trails. The toughness of the A2 steel means the broadhead often emerges intact and ready for resharpening, even after bone strikes, a testament to its durability in real hunting scenarios.
Weight & Packability
The S100, at 100 grains, is a standard weight for many bow setups, allowing for easy integration without significant tuning changes for most archers. Iron Will offers a wide range of weights from 100 up to 225 grains, accommodating various setups and preferences for increased FOC (Front of Center). As a fixed-blade broadhead, its profile is compact, making it easy to store securely in a quiver without snagging. While not collapsible or folding, its robust nature means you can confidently carry a few spares knowing they'll be ready for action. It's designed to be a reliable component, not a flimsy expendable.
Durability & Longevity
This broadhead excels in durability. The A2 tool steel construction is incredibly tough, resisting bending, chipping, and breaking even on bone impacts. Unlike many broadheads that are considered single-use, the S Series is built to be resharpened repeatedly. With proper care and the right sharpening tools, a single S100 broadhead can effectively serve a hunter for many seasons. This longevity, coupled with its consistent performance, is a key factor in its value proposition. It’s an investment in a tool that stands up to the rigors of hunting, season after season, without significant degradation in performance.
Alternatives & Trade-offs
At its price point, few alternatives offer the same combination of one-piece A2 tool steel construction and single-bevel performance. Comparable fixed-blade broadheads might include certain offerings from GrizzlyStik or custom makers, but often without the same level of mainstream availability or precision engineering. The primary trade-off is the initial cost; Iron Will broadheads are among the most expensive on the market. Another consideration is the need for dedicated sharpening equipment and technique if you plan to reuse them frequently. For hunters who prioritize maximum penetration and durability above all else, these trade-offs are often seen as minor sacrifices for superior field performance.
How we picked
We started with a long list of deer broadheads that people actually buy, cut anything that could not clear our baseline for durability and field performance, then ranked the 10 that were left against the same criteria. Rankings are editorial. No brand pays for placement, and affiliate links never move a pick up or down.
- Real-world durability
- How the material, stitching, or steel holds up after a season of hard use — not how it looks new.
- Performance in bad conditions
- Wind, rain, cold, and grit are the test. Anything that only works on a nice day gets marked down.
- Weight and packability
- Every ounce has to earn its place in the pack, but not at the cost of something that fails in the field.
- Ease of use
- Setup, adjustment, and maintenance with cold hands, in the dark, without the manual.
- Value at its price point
- Compared against the closest competitors in the same tier, not against cheaper gear in a different class.
- Repairability and support
- Field-fixable design, available parts, and a warranty the maker actually honors.
S Series (S100) — frequently asked questions
- Is the S Series (S100) worth it?
- We rank it #1 in Best Deer Broadheads. The penetration benchmark. A one-piece A2 tool-steel single-bevel head with a bleeder option, ground to a shaving edge and built to be resharpened for years.
- What is the S Series (S100) best for?
- Best for deer hunting, all species, tough hide and bone impacts, hunters prioritizing penetration and long-term, multi-season use. Standouts: unmatched penetration and ethical wound channels and extreme durability and structural integrity.
- What are the downsides of the S Series (S100)?
- High initial cost compared to competitors, Requires specific sharpening tools for optimal reuse and Fixed blade design may not suit all quiver styles.
- What are the key specs of the S Series (S100)?
- Maker: Iron Will · Model: S Series (S100) · Material: A2 Tool Steel · Weight: 100 grains (also available in 125, 150, 175, 200, 225) · Design: One-piece, single-bevel
- Construction & Materials — what should I know about the S Series (S100)?
- The S100 is milled from a single block of A2 tool steel, a material chosen for its exceptional hardness, wear resistance, and ability to hold a keen edge. This single-piece construction is a critical differentiator, eliminating weak points like ferrule-to-blade connections often found in multi-part broadheads.
- Real-World Performance — what should I know about the S Series (S100)?
- In the field, the S Series broadheads are consistent performers. Flight characteristics are excellent, often mirroring field points with proper tuning, which is a major advantage for accuracy.
Compare side by side
Put the S Series (S100) against any other pick on this list — specs, price, pros, cons and reader ratings.