The SOLGW SCALPER 13.9″ HX 556NATO RAL8K is a purpose-built AR-platform rifle from Sons of Liberty Gun Works. It combines a cold hammer-forged barrel with a pinned 13.9″ length that reaches 16″ overall when the muzzle device is attached — keeping you legal without a tax stamp. This semi-automatic rifle ships in Flat Dark Earth Cerakote and comes with one magazine, ready for the range, training, or field use.
Specifications
| Manufacturer | Sons of Liberty Gun Works |
|---|---|
| Model | SCALPER |
| Material | Cold hammer-forged barrel, 4150 steel |
| Compatibility | 556 NATO / .223 Remington |
| Finish | Cerakote – Flat Dark Earth (RAL8K) |
| Weight | 6.5 lbs (per manufacturer specs) |
| Condition | New |
Key Features
- Cold Hammer-Forged Barrel – WHY IT MATTERS: This process aligns the steel grain structure for longer life and better accuracy under heavy use, so your family rifle stays reliable round after round.
- Pinned 13.9″ Barrel – WHY IT MATTERS: The muzzle device is permanently attached to reach 16″ overall length, giving you a compact, maneuverable rifle without needing a tax stamp — perfect for smaller shooters or tight spaces.
- Cerakote Finish in Flat Dark Earth – WHY IT MATTERS: This tough, corrosion-resistant coating protects the rifle from sweat, rain, and rough handling, and the FDE color reduces glare in the field.
- Fit-for-Purpose Dimensions – WHY IT MATTERS: SOLGW designed the SCALPER with a mid-length gas system and a 13.9″ barrel to balance recoil, dwell time, and portability — ideal for teaching new shooters or running drills.
- Durable Components Throughout – WHY IT MATTERS: From the bolt carrier group to the handguard, every part is selected for reliability under hard use, so you can trust this rifle for training and defense.
Who It’s For
This rifle is for families who want a compact, legal-length AR that’s easy to handle. It’s a great choice for youth shooters moving up from a .22, beginners looking for a do-it-all rifle, and experienced shooters who want a reliable training tool. The 13.9″ pinned barrel keeps the overall length short enough for vehicle use or home defense, while the mid-length gas system smooths out recoil for newer shooters.
Pros & Cons
- Pro: Cold hammer-forged barrel gives excellent accuracy and longevity.
- Pro: Pinned 13.9″ barrel avoids NFA paperwork while staying compact.
- Pro: Cerakote finish resists wear and looks great.
- Con: The pinned muzzle device means you can’t easily swap flash hiders or suppressors without a gunsmith — plan your setup ahead.
Comparison
| Feature | SOLGW SCALPER 13.9″ | Geissele Super Duty 14.5″ | Agency Arms AAR 14.5″ |
|---|---|---|---|
| Barrel Length | 13.9″ (pinned to 16″) | 14.5″ (pinned to 16″) | 14.5″ (pinned to 16″) |
| Barrel Material | Cold hammer-forged 4150 | Cold hammer-forged 4150 | Cold hammer-forged 4150 |
| Finish | Cerakote FDE | Anodized black | Cerakote options |
| Gas System | Mid-length | Mid-length | Mid-length |
| Weight | 6.5 lbs | 6.8 lbs | 6.6 lbs |
| Price | $2,256.25 | ~$2,100 | ~$2,400 |
FAQ
Do I need a tax stamp for the SOLGW SCALPER 13.9″?
No. The barrel is 13.9″ with a permanently pinned muzzle device that brings the overall length to 16″. It is classified as a rifle, not a short-barreled rifle (SBR), so no NFA tax stamp is required.
What caliber does this rifle use?
It chambers 556 NATO and also accepts .223 Remington. The cold hammer-forged barrel is rated for both.
Does it come with sights or optics?
No, the rifle ships without sights or optics. It has a flat-top upper receiver with a Picatinny rail for mounting your own.
Can I change the muzzle device?
Not easily. The muzzle device is pinned and welded to reach 16″ overall length. Removing it would require a gunsmith and would shorten the barrel below legal rifle length.
Is this rifle good for a beginner?
Yes. The mid-length gas system reduces felt recoil, the compact size is easier to maneuver, and SOLGW builds for reliability. It’s a solid choice for learning fundamentals.
Last updated: April 2026
✓ Nationwide delivery (all 50 states)
✓ Ships 1-2 business days
✓ 30-day returns
✓ Secure checkout
Explore more: AR Rifles | AR Parts | Cerakote Firearms
FFL Transfer & Firearms Laws for SOLGW SCALPER 13.9″ HX 556NATO RAL8K
All firearms, including the SOLGW SCALPER 13.9″ HX 556NATO RAL8K, must be shipped to a licensed Federal Firearms License (FFL) dealer. You will be required to complete a background check and any necessary paperwork before taking possession.
How It Works
- Place your order online.
- Provide your preferred FFL dealer information.
- We ship the firearm directly to your FFL.
- You complete the background check and pickup at the FFL.
Legal Compliance
We comply with all federal and state firearm laws. It is your responsibility to ensure the SOLGW SCALPER 13.9″ HX 556NATO RAL8K is legal in your state. Some states may have restrictions on certain firearm models or features.
Helpful Resources
Need assistance? Contact our Miami store for help with FFL transfers and firearm compliance.
Frequently Asked Questions About This Product
Why buy SOLGW SCALPER 13.9″ HX 556NATO RAL8K from Miami Shooters Supply?
We’re a trusted firearms dealer offering fast shipping, competitive pricing, and 100% compliance with U.S. federal firearm laws. All orders ship from our licensed facility with full tracking and expert customer service.
Where can I buy SOLGW SCALPER 13.9″ HX 556NATO RAL8K?
You can purchase this item directly on our website and have it shipped to your local FFL dealer. You can also visit us in-store in Miami, Florida.
Is SOLGW SCALPER 13.9″ HX 556NATO RAL8K available now?
Availability is shown live on this page. If the “Add to Cart” button is visible, this item is currently in stock and ready to ship.
What category does this product belong to?
This product is listed under: AR Rifles.
What tags or features does this product have?
Key features and tags for this product include: .
Is this product legal in my state?
It is your responsibility to ensure this item is legal in your state or locality. We ship only to valid FFL dealers in compliance with U.S. laws. Always check your local regulations.




Reviews
There are no reviews yet.