The Sons of Liberty SCALPER 13.9″ 5.56 NATO FDE is a ready-to-use modern sporting rifle built for accurate range shooting and sporting applications. This semi-auto AR platform features a pinned 13.9″ cold hammer-forged barrel (16″ overall length with the pinned muzzle device), chambered in .223 REM/5.56 NATO, and finished in durable Cerakote Flat Dark Earth. It ships with one 30-round magazine, making it a solid choice for families and beginners stepping into the AR world.
Specifications
| Manufacturer | Sons of Liberty Gun Works |
|---|---|
| Model | SCALPER |
| Material | 7075-T6 aluminum receiver, cold hammer-forged barrel steel |
| Compatibility | .223 REM / 5.56 NATO, standard AR-15 lower parts |
| Finish | Cerakote Flat Dark Earth (FDE) |
| Weight | 6.5 lbs (approx., per manufacturer specs) |
| Condition | New |
Key Features
- Pinned 13.9″ Cold Hammer-Forged Barrel — Why it matters: The pinned muzzle device brings overall length to 16″, keeping you legal without a tax stamp while the hammer-forged steel gives longer barrel life and consistent accuracy for hundreds of rounds.
- Cerakote Flat Dark Earth Finish — Why it matters: This tough, corrosion-resistant coating holds up to sweat, rain, and range dust, and the FDE color blends well with outdoor environments for shooting with the family.
- Semi-Auto Action — Why it matters: Simple, reliable operation lets new shooters focus on sight alignment and trigger control without worrying about cycling issues.
- 30-Round Magazine Included — Why it matters: You get one quality magazine right out of the box, so you can head to the range immediately without extra purchases.
- Ready-to-Use Configuration — Why it matters: No assembly required. It arrives as a complete rifle, which is ideal for families who want to spend time shooting, not tinkering.
Who It’s For
This rifle is built for families, youth shooters, and beginners who want a reliable, accurate AR platform for range training and sporting use. The 13.9″ barrel with pinned muzzle device keeps the overall length manageable for smaller shooters while meeting legal requirements. If you’re teaching a teen or spouse how to shoot, the SCALPER’s straightforward controls and consistent accuracy reduce frustration and build confidence.
Pros & Cons
- Pro: Cold hammer-forged barrel delivers excellent accuracy and longevity — expect sub-MOA groups with good ammunition.
- Pro: Cerakote FDE finish resists rust and scratches, so the rifle looks good after years of use.
- Con: The pinned muzzle device means you cannot easily swap muzzle brakes or suppressors without a gunsmith. If you plan to run a suppressor, consider a different setup.
Comparison: SCALPER vs. Competitors
| Feature | Sons of Liberty SCALPER 13.9″ | Geissele Super Duty 14.5″ | Zev Technologies AR 14.5″ |
|---|---|---|---|
| Barrel Length | 13.9″ pinned to 16″ OAL | 14.5″ pinned to 16″ OAL | 14.5″ pinned to 16″ OAL |
| Barrel Material | Cold hammer-forged | Cold hammer-forged | Cold hammer-forged |
| Finish | Cerakote FDE | Black anodized | Black anodized |
| Trigger | Mil-spec (upgrade recommended) | Geissele SSP (match-grade) | Mil-spec |
| Weight | ~6.5 lbs | ~6.6 lbs | ~6.7 lbs |
| Price | $2,256.25 | ~$2,100 | ~$2,400 |
Per Sons of Liberty specs, the SCALPER’s hammer-forged barrel is built to last beyond 10,000 rounds. The Geissele Super Duty offers a better trigger out of the box, while the Zev has a slightly higher MSRP. For families wanting a durable, accurate rifle at a competitive price, the SCALPER is a strong choice.
FAQ
Is the barrel truly 13.9 inches, and is it legal without a tax stamp?
Yes, the barrel is 13.9″ with a pinned and welded muzzle device that brings the overall length to 16″. This meets ATF requirements for a rifle without a tax stamp.
What magazines does it take?
It uses standard AR-15/M16 magazines. The rifle ships with one 30-round magazine.
Can I mount a suppressor on this barrel?
The muzzle device is pinned and welded, so you cannot easily swap it. If you want to suppress the rifle, you would need to have a gunsmith remove the device or choose a different model.
Is this rifle suitable for a beginner shooter?
Absolutely. The semi-auto action, manageable recoil, and consistent accuracy make it a great training platform for new shooters. The FDE finish also reduces glare, which is helpful for outdoor instruction.
Does the SCALPER come with any warranty?
Sons of Liberty Gun Works offers a lifetime warranty on their firearms. Contact them directly for details.
Ready to Add the SCALPER to Your Collection?
Order your Sons of Liberty SCALPER 13.9″ 5.56 NATO FDE today and get a reliable, accurate rifle that your whole family can enjoy at the range. Nationwide delivery to all 50 states. Ships within 1-2 business days. 30-day returns. Secure checkout.
- ✔️ Nationwide delivery (all 50 states)
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Browse more options in our AR Rifles category, or check out AR Uppers and AR Lowers for custom builds.
Last updated: April 2026
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