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Rival Arms
The Rocky Mountain R38400 Hypodermic NC crossbow broadheads deliver the wide-cutting performance serious crossbow hunters demand in a 125-grain design engineered for flat trajectories and hard-hitting impact. These mechanical broadheads feature the Hypodermic hybrid tip—a needle-like ferrule profile that cuts through the air cleanly for field-tip accuracy, then unfolds on impact to create a devastating 2-inch cutting diameter. Built around a no-collar blade-lock system, they anchor securely in flight without shock collars or O-rings, so you get one less thing to tune and more reliability in the field.
The two .035-inch thick blades deploy on contact and sweep back into their wide cutting angle, designed to produce the kind of blood trails that end tracking jobs fast. The machined stainless steel ferrule handles the extreme speeds and G-forces of crossbow bolts, while the Hypodermic design trades brute cutting width for penetration efficiency—you get the wound channel serious hunters rely on without sacrificing pass-through potential. Each pack includes three broadheads ready to hunt, and replacement blades are available separately so you can keep your heads in the field longer.
Whether you're hunting whitetail at 40 yards or setting up for a longer-range opportunity, these 125-grain heads will group like field points and deliver the terminal performance that justifies a mechanical broadhead over fixed-blade alternatives. The no-collar retention system means less fiddling before the season and more confidence in your setup once you're in the stand.
| Brand | Rocky Mountain / Rival Arms |
| Model | R38400 Hypodermic NC |
| Type | Mechanical Crossbow Broadhead |
| Weight | 125 Grain |
| Cutting Diameter | 2 Inch |
| Blade Thickness | .035 Inch |
| Blade Count | 2 |
| Ferrule | Machined Stainless Steel |
| Blade Retention | No-Collar Blade Lock |
| Quantity Per Pack | 3 |
The Rocky Mountain R38400 is designed as a crossbow broadhead and engineered to handle the speeds and forces generated by modern crossbows. Compatibility depends on your specific crossbow's bolt diameter and broadhead slot; confirm your crossbow's specifications match standard broadhead compatibility before purchasing.
No. The R38400 features a no-collar blade lock system that secures the blades in the closed position without shock collars or O-rings, eliminating that step in your broadhead prep.
Each package contains three Rocky Mountain R38400 Hypodermic NC broadheads ready to hunt. Replacement blades are sold separately under SKU R38205.
On impact, the two .035-inch blades instantly deploy and sweep into a swept-back angle, opening to the full 2-inch cutting diameter to maximize the wound channel.
Rival Arms
The Rocky Mountain R38400 Hypodermic NC crossbow broadheads deliver the wide-cutting performance serious crossbow hunters demand in a 125-grain design engineered for flat trajectories and hard-hitting impact. These mechanical broadheads feature the Hypodermic hybrid tip—a needle-like ferrule profile that cuts through the air cleanly for field-tip accuracy, then unfolds on impact to create a devastating 2-inch cutting diameter. Built around a no-collar blade-lock system, they anchor securely in flight without shock collars or O-rings, so you get one less thing to tune and more reliability in the field.
The two .035-inch thick blades deploy on contact and sweep back into their wide cutting angle, designed to produce the kind of blood trails that end tracking jobs fast. The machined stainless steel ferrule handles the extreme speeds and G-forces of crossbow bolts, while the Hypodermic design trades brute cutting width for penetration efficiency—you get the wound channel serious hunters rely on without sacrificing pass-through potential. Each pack includes three broadheads ready to hunt, and replacement blades are available separately so you can keep your heads in the field longer.
Whether you're hunting whitetail at 40 yards or setting up for a longer-range opportunity, these 125-grain heads will group like field points and deliver the terminal performance that justifies a mechanical broadhead over fixed-blade alternatives. The no-collar retention system means less fiddling before the season and more confidence in your setup once you're in the stand.
| Brand | Rocky Mountain / Rival Arms |
| Model | R38400 Hypodermic NC |
| Type | Mechanical Crossbow Broadhead |
| Weight | 125 Grain |
| Cutting Diameter | 2 Inch |
| Blade Thickness | .035 Inch |
| Blade Count | 2 |
| Ferrule | Machined Stainless Steel |
| Blade Retention | No-Collar Blade Lock |
| Quantity Per Pack | 3 |
The Rocky Mountain R38400 is designed as a crossbow broadhead and engineered to handle the speeds and forces generated by modern crossbows. Compatibility depends on your specific crossbow's bolt diameter and broadhead slot; confirm your crossbow's specifications match standard broadhead compatibility before purchasing.
No. The R38400 features a no-collar blade lock system that secures the blades in the closed position without shock collars or O-rings, eliminating that step in your broadhead prep.
Each package contains three Rocky Mountain R38400 Hypodermic NC broadheads ready to hunt. Replacement blades are sold separately under SKU R38205.
On impact, the two .035-inch blades instantly deploy and sweep into a swept-back angle, opening to the full 2-inch cutting diameter to maximize the wound channel.
