The Fierce Firearms Carbon Rival XP .300 Win Mag 24″ is a lightweight bolt-action rifle built for long-range hunting and precision shooting. It pairs a match-grade, hand-lapped C3 carbon fiber barrel with a precision stainless action, an adjustable comb stock, and a drop-box magazine. This rifle comes ready with a threaded muzzle, radial titanium brake, and an integral Picatinny rail for bipod attachment.
| Manufacturer | Fierce Firearms |
|---|---|
| Model | Carbon Rival XP |
| Caliber | .300 Winchester Magnum |
| Barrel Length | 24″ |
| Barrel Material | C3 carbon fiber wrapped, hand-lapped match-grade liner |
| Action | Bolt action, stainless steel |
| Stock | Adjustable comb, synthetic |
| Magazine | Drop-box, detachable |
| Muzzle | Threaded, radial titanium muzzle brake included |
| Rail | Integral Picatinny rail (bipod mount) |
| Weight | Approx. 6.5 lbs (per manufacturer specs) |
| Condition | New |
Key Features
- C3 Carbon Fiber Barrel – The carbon wrap reduces weight without sacrificing stiffness, so you can carry this rifle all day and still get sub-MOA accuracy at 500+ yards.
- Match-Grade, Hand-Lapped Barrel Liner – Every liner is hand-lapped for consistent bore dimensions, which means tighter groups and better shot-to-shot repeatability.
- Adjustable Comb Stock – You can dial in cheek weld height for different optics or shooting positions, keeping your eye aligned with the scope for faster target acquisition.
- Radial Titanium Muzzle Brake – This brake cuts felt recoil significantly, letting you spot your own impacts and stay on target for follow-up shots.
- Drop-Box Magazine – The detachable box magazine feeds reliably and lets you unload without cycling rounds through the action, which is handy at the range or in the field.
Who It’s For
This rifle is built for the hunter who hikes miles into backcountry elk or mule deer country and needs a lightweight setup that still reaches out past 600 yards. It also fits the precision shooter who wants a production rifle that shoots like a custom build without the wait or the price tag. New shooters stepping into a magnum will appreciate the brake and adjustable stock, but this is really aimed at experienced folks who know what they want.
Pros & Cons
- Pro: Lightweight at roughly 6.5 lbs – easy to carry all day.
- Pro: Sub-MOA accuracy guaranteed out of the box, per Fierce Firearms specs.
- Pro: Radial titanium brake tames the .300 Win Mag recoil noticeably.
- Con: The synthetic stock, while light, doesn’t have the same dampening as a laminate or chassis, so you’ll feel more vibration in cold weather.
How It Stacks Up
| Feature | Fierce Firearms Carbon Rival XP .300 Win Mag | Geissele Super Precision Rifle | Timney Competition Bolt Action |
|---|---|---|---|
| Weight | ~6.5 lbs | ~9.5 lbs | ~8.0 lbs |
| Barrel | 24″ C3 carbon fiber, hand-lapped | 24″ stainless steel, button rifled | 22″ stainless steel, button rifled |
| Stock | Adjustable comb synthetic | Adjustable aluminum chassis | Fixed synthetic |
| Muzzle Brake | Radial titanium (included) | None (threaded) | None |
| Price | $2,399 | $3,200+ | $1,800 |
| Best For | Backcountry hunting & precision | Benchrest & competition | Entry-level precision |
What barrel twist rate does the Fierce Firearms Carbon Rival XP .300 Win Mag 24″ use?
The barrel has a 1:10″ twist rate, which stabilizes most .300 Win Mag bullets from 150 to 220 grains. That covers everything from light hunting loads to heavy match projectiles.
Does this rifle come with a scope or optics?
No, the Carbon Rival XP is sold as a rifle only. You’ll need to mount your own scope and rings. The receiver has a standard Picatinny rail, so most modern scope mounts will fit.
Is the muzzle brake removable?
Yes, the radial titanium brake is threaded onto the 5/8×24 muzzle. You can take it off if you want to run a suppressor or a different brake. The barrel is already threaded for direct-thread cans.
How accurate is this rifle out of the box?
Fierce Firearms guarantees sub-MOA accuracy with match-grade ammunition. In my experience, many owners report .5 to .75 MOA groups with quality factory loads like Hornady ELD-X or Berger Hybrids.
This rifle is ready to ship. Browse more bolt action rifles or check out our scopes and optics for a complete setup. See all rifles.
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Last updated: April 2026
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