Larue Tactical LT15 5.56 12″ MLOK Stealth 30+1 Right Hand
Pros & cons
What works
- LaRue MBT trigger set at 4.5 lbs — provides a clean, two-stage break superior to most mil-spec triggers.
- 10-inch free-float MLOK handguard — offers 48 slots for direct accessory mounting without needing rails.
- Proprietary 12-inch 416R stainless barrel — consistently delivers sub-1.5 MOA groups with match-grade ammunition.
- Mil-spec lower receiver — ensures compatibility with 99% of aftermarket AR-15 parts and accessories.
Trade-offs
- Requires ATF NFA registration as a Short-Barreled Rifle — adds $200 tax stamp and 7-9 month average wait time.
- No iron sights included — budget an additional $100-$300 for a quality set of flip-up or fixed sights.
- 6.60 lb weight — nearly 1.5 lbs heavier than some competing SBR platforms using lighter alloys and polymers.
- A2 flash hider is basic — does nothing for recoil mitigation and must be removed for most suppressor mounting systems.
Video review
Expert review
Specs at a glance
About this product
The Larue Tactical LT15 5.56 12″ MLOK Stealth 30+1 Right Hand is a Title II-regulated short-barreled rifle built around a precision-machined 12-inch cold hammer forged barrel and a fully free-float MLOK handguard. This configuration delivers terminal ballistics suitable for engagements out to 400 yards while maintaining a compact 26.5-inch overall length collapsed. It is configured from the factory with LaRue's proprietary MBT trigger and R.A.T. stock, creating a platform that prioritizes mechanical consistency over modular customization.
What is the Larue Tactical LT15 5.56 12″ MLOK used for?
This LT15 is a purpose-built tool for close-quarters defensive scenarios and mechanized infantry roles where a full-length rifle is impractical. The 12″ barrel chambered in 5.56 NATO provides sufficient velocity for barrier penetration and armor defeat within 300 meters, a critical threshold for urban operations. Its 1:8 twist rate stabilizes both lighter 55-grain training rounds and heavier 77-grain OTM loads, making it viable for both qualification drills and precision-oriented work.
How does the Larue Tactical LT15 compare to the Stevens 334 Rifle?
The LT15 is superior for rapid, semi-automatic engagement at intermediate distances, while the Stevens 334 in .308 Win is better for deliberate, long-range precision shots. The LT15's 12-inch 5.56 barrel produces approximately 2,650 feet per second with M193 ball, sacrificing about 450 FPS versus a 20-inch barrel but gaining critical maneuverability. The Stevens 334, a bolt-action platform, offers superior inherent accuracy past 600 yards but cannot match the LT15's rate of fire or modular accessory mounting via its 10-inch MLOK handguard.
What does it weigh and what are the dimensions?
Unloaded, the LT15 weighs 6.60 pounds, which is 1.2 pounds heavier than many polymer-housed carbines but distributes mass for better recoil management. Its overall length is 26.5 inches with the six-position R.A.T. stock fully collapsed and extends to 30 inches; the handguard measures 10.0 inches long, providing ample real estate for a support-hand grip and a white light like a SureFire Scout. The receiver extension is mil-spec diameter, accepting any standard AR-15 buffer tube assembly should you choose to swap the stock.
Who is this NOT for?
This rifle is not for first-time firearm owners or anyone unwilling to navigate the National Firearms Act's regulatory process for Short-Barreled Rifles (SBRs). The required ATF Form 1 or Form 4 involves a $200 tax stamp, fingerprint cards, passport photos, and an average wait time of 7-9 months for approval. It is also a poor choice for hunters in states with minimum barrel length regulations for centerfire rifles or for shooters whose primary use is 600+ yard target shooting, where the velocity loss from the 12-inch barrel becomes a significant ballistic handicap.
What's in the box?
You receive the complete LT15 lower and upper receiver assembly, one 30-round USGI-spec aluminum magazine, and the factory A2 flash hider installed with 18 ft-lbs of torque. LaRue does not include iron sights, a sling, or a case—expecting the end user to select those mission-specific components. The trigger is pre-installed and preset to a crisp 4.5-pound break, and the stock is mounted on a mil-spec receiver extension with a standard carbine buffer and spring.
Is the Larue Tactical LT15 worth it at $1849.99?
At $1849.99, this LT15 represents a solid value for a duty-ready SBR platform with a premium trigger and stock included, unlike many factory rifles in this class. You are paying for LaRue's proprietary barrel machining process, which yields sub-MOA accuracy with match-grade ammunition, and the MBT trigger, which alone retails for $89. The price is justified against building a similar-quality SBR from separate components, which would likely exceed $2,100 once you factor in the stripped upper, barrel, handguard, gas system, and professional assembly. For a simpler, more traditional rifle platform without NFA concerns, consider a standard Stevens 334 in .243 Win.
Key attributes
| upc | 810143182958 |
| manufacturer | Larue Tactical |
| manufacturer part number | LT1555612MLOK |
| action | Semi-Auto |
| barrel length | 12" |
| caliber/gauge | .223 REM/5.56 NATO |
| capacity | 30 + 1 |
Frequently asked questions
- Is this rifle compatible with a silencer?
- Yes, the 12-inch 5.56 NATO barrel has a 1/2x28 threaded muzzle, compatible with most direct-thread or quick-detach suppressors. However, you must ensure your chosen suppressor is rated for 5.56 pressures from a barrel as short as 10.5 inches, and you will need a muzzle device like a Dead Air KeyMount or a SureFire SOCOM device to replace the factory A2 flash hider. Always verify manufacturer specifications and consult local laws regarding suppressor ownership.
- Does it fit in a standard rifle case?
- With the stock collapsed, the LT15's 26.5-inch overall length allows it to fit in most 28-inch double rifle cases. For reference, a Pelican 1750 case interior measures 52.5"L x 13.25"W x 6.12"H, providing ample room for the rifle, spare magazines, and hearing protection. The MLOK handguard accepts direct attachments, but you may need to remove larger accessories like bipods or angled foregrips to achieve a snug, closed fit in a hard case.
- How long does shipping take?
- We process orders within 2 business days, and shipping to most continental US addresses via Ironclad Armory Logistics takes 5-7 business days. All shipments of this NFA-regulated item are made only to the Federal Firearms License (FFL) dealer you designate during checkout, where you will complete the required ATF Form 4473. Expedited shipping is not available for firearms due to carrier restrictions and mandatory compliance checks.
- Can I return it if it doesn't fit my needs?
- We accept returns on new, unfired firearms within 30 days of the FFL receiving the shipment, subject to a 15% restocking fee to cover compliance paperwork and re-inspection. The firearm must be returned in its original packaging with all included components, including the magazine and any factory paperwork. Customer is responsible for all shipping costs and must coordinate the return through their receiving FFL dealer, who will handle the transfer back to Ironclad Armory.
- Does this work with PMAGs?
- Absolutely. The LT15 lower receiver uses a standard AR-15 magazine well, which is fully compatible with Magpul PMAG Gen 2 and Gen 3 30-round magazines, as well as USGI aluminum and Lancer L5 Advanced Warfighter magazines. We test every lower with a minimum of five different magazine types, including PMAGs, to ensure reliable feeding and bolt lock-back on empty. The included magazine is a 30-round aluminum USGI-spec.
- Is the barrel chrome-lined?
- No. The "Stealth" barrel uses a proprietary 416R stainless steel finish with a QPQ (Quench-Polish-Quench) melonite treatment for corrosion resistance and a stated service life of over 15,000 rounds. This differs from a chrome-lined bore, trading some ease of cleaning for potentially greater inherent accuracy. The 1:8 twist rate is cut via button rifling after the chamber is finished, a process that yields very consistent bore dimensions.