The FN FN15 SBR 5.56 NATO 11.5″ G2 SRP 30R is a short-barreled rifle built on a MIL-SPEC foundation with HP/MPI-tested bolt components and an M16-style carrier group. It uses a mid-length gas system with an H buffer for reliable cycling and manageable recoil. The chrome-lined, cold hammer-forged barrel is made from FN proprietary steel and free-floated inside a Midwest Industries handguard with continuous 12 o’clock rail and M-LOK slots.
| Manufacturer | FN America |
|---|---|
| Model | FN15 SBR G2 SRP |
| Material | Chrome-lined cold hammer-forged barrel (FN proprietary steel); 7075-T6 aluminum upper/lower receiver |
| Compatibility | .223 Rem / 5.56 NATO magazines and ammunition |
| Finish | Black hardcoat anodized |
| Weight | 6.6 lbs (per manufacturer specs) |
| Condition | New |
Key Features
- Cold hammer-forged, chrome-lined barrel — This 11.5-inch barrel is hammer-forged from FN’s own steel, then chrome-lined inside and out. That means it resists fouling, corrosion, and heat better than a standard barrel, and it holds accuracy longer under hard use.
- M16-style bolt carrier group with HP/MPI bolt — The bolt is high-pressure tested and magnetic particle inspected, then paired with a full-mass M16 carrier. Why it matters: this combo handles the pressure of sustained fire without cracking or peening, giving you a bolt that lasts.
- Mid-length gas system with H buffer — Shorter gas systems beat up parts faster. The mid-length keeps the action smooth, the H buffer slows the carrier just enough to cut recoil, and the gun runs clean with any 5.56 load you feed it.
- Free-floated Midwest Industries handguard — The handguard doesn’t touch the barrel, so sling pressure or bipod load won’t shift your point of impact. You get a continuous top rail and M-LOK slots on three sides for lights, lasers, or grips.
Who It’s For
This rifle is for the rancher who needs a compact carbine that rides in a truck or hangs on a saddle scabbard without losing zero. It’s for the rural worker who wants a short barrel for tight quarters—brush, barns, or vehicles—but won’t accept reduced reliability. If you shoot hogs, coyotes, or steel, and you want a gun that works every time without babysitting, this is your tool.
Pros / Cons
- Pro: Cold hammer-forged FN barrel is proven to hold sub-MOA accuracy past 5,000 rounds with proper care.
- Pro: M16 BCG with HP/MPI bolt gives you duty-grade durability at a price below many custom builds.
- Con: 11.5-inch barrel loses about 100-150 fps muzzle velocity compared to a 16-inch carbine, so long-range shots past 400 yards require careful holdover.
- Con: No iron sights included; you’ll need to budget for a quality optic or backup irons.
Comparison
| Feature | FN FN15 SBR G2 SRP | Geissele Super Duty 11.5″ | Zev Technologies OZ9C (pistol caliber carbine) |
|---|---|---|---|
| Barrel | Cold hammer-forged, chrome-lined FN steel | Cold hammer-forged, chrome-lined | Cold hammer-forged, nitrided |
| Gas system | Mid-length | Mid-length | N/A (blowback) |
| Weight | 6.6 lbs | 6.9 lbs | 5.2 lbs |
| MSRP | $1,566.40 | $1,899 | $1,599 |
| Caliber | 5.56 NATO | 5.56 NATO | 9mm |
Compared to the Geissele Super Duty, the FN saves you over $300 and still gives you a cold hammer-forged barrel with an M16 BCG. The Zev OZ9C is lighter but runs 9mm, so it’s limited to pistol-range work. The FN covers more ground with 5.56 power and retains more velocity at distance.
FAQ
Is this rifle legal to own without a tax stamp?
No. The FN FN15 SBR has an 11.5-inch barrel and is classified as a short-barreled rifle under the National Firearms Act. You must file a Form 1 or purchase it from a dealer with an approved Form 4 transfer, pay the $200 tax, and comply with state laws.
What magazines does it take?
It accepts standard AR-15/M16 magazines in .223 Rem/5.56 NATO. The 30-round magazine included is a standard GI-style.
Can I mount a suppressor on this barrel?
Yes. The 11.5-inch barrel has a standard 1/2×28 threaded muzzle. You can attach a direct-thread or QD suppressor, but verify your can’s minimum barrel length rating first.
Does it come with a warranty?
FN America offers a limited lifetime warranty against defects in materials and workmanship for the original owner. Keep your receipt.
Trust & Delivery
✓ Nationwide delivery (all 50 states) — compliant with NFA transfer rules
✓ Ships 1-2 business days after FFL/SOT confirmation
✓ 30-day returns on unused, unfired items minus shipping
✓ Secure checkout with encrypted payment processing
Last updated: April 2026
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FFL Transfer & Firearms Laws for FN FN15 SBR 5.56 NATO 11.5″ G2 SRP 30R
All firearms, including the FN FN15 SBR 5.56 NATO 11.5″ G2 SRP 30R, 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 FN FN15 SBR 5.56 NATO 11.5″ G2 SRP 30R 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 FN FN15 SBR 5.56 NATO 11.5″ G2 SRP 30R 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 FN FN15 SBR 5.56 NATO 11.5″ G2 SRP 30R?
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 FN FN15 SBR 5.56 NATO 11.5″ G2 SRP 30R available now?
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What category does this product belong to?
This product is listed under: AR Rifles.
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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.
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FFL Transfer & Firearms Laws
All firearms, including the FN FN15 SBR 5.56 NATO 11.5″ G2 SRP 30R, must be shipped to a licensed Federal Firearms License (FFL) dealer. A background check and any required local paperwork must be completed before you can take possession.
How It Works
- Place your order online.
- Send us your preferred local FFL dealer info.
- We ship the firearm to your FFL after verification.
- Complete background check and pick up from your dealer.
Legal Compliance
We comply with all U.S. firearm laws. It is your responsibility to ensure the FN FN15 SBR 5.56 NATO 11.5″ G2 SRP 30R is legal in your state. Some states (e.g. CA, NY, NJ) have restrictions on magazine size or certain features.
Helpful Links
Need help? Contact our team — we’ll guide you through selecting a compliant firearm and the FFL transfer process.
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