The Larue Tactical LT1555618QUAD LT15 Quad Rail 5.56 30+1 18″ Stealth Barrel Black Right Hand is a full-size AR-15 built for ranch work, patrol, and utility shooting. It comes standard with a free-floated quad rail, a match-grade 18-inch stealth barrel, and a 30-round magazine. Chambered in 5.56 NATO, this rifle is ready to run hard right out of the box. Larue Tactical LT1555618QUAD LT15 Quad Rail 5.56 30+1 18″ Stealth Barrel Black Right Hand is a staple for anyone who needs a rifle that shoots tight groups and stays reliable in dirt, dust, and weather.
| Manufacturer | Larue Tactical |
|---|---|
| Model | LT1555618QUAD LT15 |
| Material | 7075-T6 aluminum upper and lower receiver (per manufacturer specs) |
| Compatibility | Standard AR-15 lower parts; accepts all Mil-Spec stocks and grips |
| Finish | Type III hard coat anodized black |
| Weight | 7.8 lbs (empty, per manufacturer specs) |
| Condition | New |
Key Features
- Free-Floated Quad Rail Handguard — Keeps barrel harmonics clean so you don’t lose zero when you mount a bipod, light, or laser. This matters when you’re shooting coyotes at dusk or clearing a fence line.
- 18″ Stealth Barrel — A medium-contour, 1:8 twist barrel that balances accuracy with carry weight. According to Larue Tactical specs, this barrel is button-rifled and hand-lapped for sub-MOA consistency.
- Two-Stage Match Trigger — Crisp 4.5-pound pull with a clean break. No creep, no over-travel. That matters when you’re squeezing off a cold-bore shot at a steel target 300 yards out.
- 30+1 Capacity — Comes with a standard 30-round Magpul PMAG. You get 31 rounds on board before you need to reload. That’s enough for a full patrol loop or a day on the range.
- Right-Hand Controls — Ambidextrous safety, but bolt release and magazine release are set for right-handed shooters. Simple, familiar, and fast to run.
Who It’s For
This rifle is for ranchers, rural property owners, and anyone who needs a tool-grade AR that shoots better than they do. It’s not a safe queen. It’s a working rifle that you can drag through a truck cab, lean against a corral post, and still trust to hit a prairie dog at 400 yards. If you’ve ever had a cheap barrel walk on you after a box of ammo, you’ll appreciate the Larue build.
Pros & Cons
- Pros: Sub-MOA accuracy out of the box, bomb-proof quad rail, match trigger, lifetime warranty from Larue.
- Cons: The quad rail adds weight compared to MLOK or carbon fiber handguards. If you’re trying to keep the rifle under 7 pounds, this isn’t the one.
Comparison: Larue LT15 vs. Geissele Super Duty vs. Aero Precision M4E1
| Feature | Larue LT1555618QUAD | Geissele Super Duty 16″ | Aero Precision M4E1 16″ |
|---|---|---|---|
| Barrel Length | 18″ | 16″ | 16″ |
| Handguard Type | Quad rail (free-float) | MLOK (free-float) | MLOK (free-float) |
| Trigger | Two-stage match (4.5 lb) | Geissele SSA-E (3.5 lb) | Mil-Spec (6-8 lb) |
| Weight | 7.8 lbs | 7.1 lbs | 6.9 lbs |
| MSRP | $1,849.99 | $1,999.00 | $1,099.00 |
| Best For | Precision ranch work, patrol | Lightweight carbine, duty | Budget build, plinking |
What’s the effective range of the Larue LT15 with the 18″ barrel?
With 5.56 NATO 55-77 grain ammo, you can expect consistent hits on man-sized targets out to 600 yards. The 1:8 twist handles 62-77 grain bullets best for longer range.
Can I swap the quad rail for an MLOK handguard later?
Yes. The barrel nut is standard AR-15 pattern. You can replace the handguard with any free-float MLOK or KeyMod rail that uses a standard nut. Just watch out for the gas block clearance on the 18″ barrel.
Does this rifle come with iron sights?
No. The Larue LT15 ships without sights or optics. It has a flat-top upper with a full Picatinny rail, so you can mount your own iron sights, red dot, or scope.
Is the Larue LT15 California-compliant?
This model is not configured for California compliance. It has a standard magazine release and a collapsible stock. For CA, you would need a fixed magazine or a featureless build.
Trust & Delivery: ✓ Nationwide delivery (all 50 states) · ✓ Ships 1-2 business days · ✓ 30-day returns · ✓ Secure checkout
Browse more AR rifles in our AR Rifles category, or check out AR-15 Parts & Accessories and Scope Mounts & Optics.
Last updated: April 2026
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This Larue Tactical LT1555618QUAD LT15 Quad Rail 5.56 30+1 18″ Stealth Barrel Black Right Hand is ideal for shooters looking to buy guns online with confidence. Built with precision engineering and tested performance, it’s a top-tier choice whether you're looking for home defense, sport shooting, or a trusted everyday carry.
Why Choose the Larue Tactical LT1555618QUAD LT15 Quad Rail 5.56 30+1 18″ Stealth Barrel Black Right Hand?
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