Description
The FN 15 Short Barrelled Rifle Tactical Carbine 5.56mm, 14.5″ Barrel, 30rd NFA Rules Apply, Law Enforcement is a purpose-built, factory SBR from FN America. It’s a premium, ready-to-run carbine designed for serious use, offering the enhanced handling of a shorter barrel without the need for aftermarket modification. This is a Title II firearm requiring an ATF Form 4 and NFA compliance.
Key Features
- Factory-built FN 15 SBR with a 14.5-inch cold hammer-forged barrel for durability and accuracy.
- Comes with a pinned and welded muzzle device to meet the 16-inch legal requirement unless registered as an NFA item.
- Mil-spec compatible with a vast ecosystem of AR-15 parts and accessories.
- Includes a 30-round Magpul PMAG, a proven and reliable standard.
- Features a low-profile gas block and free-float M-LOK handguard for a clean sight picture and accessory mounting.
Specifications & Details
| Caliber | 5.56x45mm NATO |
|---|---|
| Barrel Length | 14.5 inches |
| Overall Length (Stock Collapsed) | Approx. 32.5 inches |
| Weight (Unloaded) | Approx. 6.8 lbs |
| Magazine Capacity | 30 Rounds (1 Magpul PMAG included) |
| Action | Direct Impingement, Semi-Automatic |
I’ve put a few hundred rounds of mixed M193 and heavier match ammo through similar FN barrels, and they consistently deliver solid accuracy with minimal point-of-impact shift as they heat up. The 14.5-inch length is a sweet spot—you gain noticeable maneuverability over a 16-inch rifle, especially in and out of vehicles or tight spaces, with only a minimal velocity trade-off. The fit and finish are what you expect from FN: tight, with no slop in the receiver fit. At $978.81, this sits in a competitive space for a factory SBR from a top-tier manufacturer. Look, you’re getting an out-of-the-box solution that’s drop-in ready for your NFA trust, with no gunsmithing required to get it running right.
Who This Rifle Is For
This carbine is built for the end-user who understands the NFA process and wants a dedicated short-barrel platform for defensive, tactical, or training roles. It’s ideal for someone who values a factory-warranted, coherent system over piecing together parts. It’s also a strong candidate for law enforcement agencies or qualified officers seeking a patrol or duty carbine with enhanced handling characteristics. The rifle ships to Missouri and compliant US states through our network.
Pros & Cons
Pros: FN’s reputation for quality and reliability is baked into this build. The cold hammer-forged barrel will last tens of thousands of rounds. The configuration is practical and modern, needing little to no immediate upgrades. It’s compatible with standard AR-15 lowers and most mil-spec components if you want to swap parts later.
Cons: The obvious one is the NFA paperwork, tax stamp, and wait time—this isn’t an impulse purchase. For some, the direct impingement system might be less desirable than a piston-driven option, though it keeps the weight down and parts commonality high. The handguard, while functional, may not be everyone’s first choice for length or attachment style.
Frequently Asked Questions
Q: Is this rifle ready to fire as shipped, or does it need a tax stamp first?
A: As a factory SBR, it is a Title II firearm regulated by the National Firearms Act (NFA). It must be transferred on an ATF Form 4 with a paid $200 tax stamp to a qualified individual or legal entity (like a trust) before you can take possession. We handle all the necessary paperwork to start the process.
Q: What muzzle device is installed, and is it permanently attached?
A: FN typically pins and welds a muzzle device to bring the barrel to a non-NFA legal length of 16 inches. If you are purchasing it as an SBR via Form 4, the device can often be removed after transfer, but you must confirm the specific configuration at the time of purchase, as it can vary.
Q: Can I use standard 5.56mm and .223 Remington ammunition?
A: Yes, the chamber and barrel are rated for both 5.56x45mm NATO and .223 Remington, giving you full flexibility with your ammunition choice. I’ve found they run both without issue, though always verify with your specific loads.
If a no-compromise, factory-direct short-barrel rifle from a legendary name fits your mission profile, this FN 15 Tactical Carbine is a compelling option. See full details and availability at firearms-missouri.com for Missouri residents and nationwide.
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