Fortis Manufacturing, Inc. LA Stock – Mil‑Spec Black AR‑15 LAS‑15
Upgrade your AR‑15 platform with the Fortis Manufacturing LA Stock, a precision‑engineered, Mil‑Spec replacement that delivers unmatched comfort, durability, and tactical advantage. Designed exclusively for the LAS‑15 (Long‑Action Stock) configuration, this black polymer stock provides a seamless fit and a professional finish that stands up to the harshest environments.
Key Features & Benefits
- Mil‑Spec Construction: Built to meet strict military specifications, ensuring consistent performance across all AR‑15 builds.
- Advanced Polymer Blend: High‑strength, impact‑resistant material that resists cracking, warping, and corrosion.
- Ergonomic Design: Adjustable cheek riser and length‑of‑pull (LOP) provide a personalized fit for shooters of all sizes.
- Tactical Black Finish: Matte black coating reduces glare, offers superior camouflage, and maintains a low profile on the range or in the field.
- Full Compatibility: Engineered to fit the AR‑15 LAS‑15 platform flawlessly – no additional modifications required.
- Easy Installation: Tool‑free mounting with the factory‑included hardware; the stock snaps into place in minutes.
- Lightweight Performance: Optimized weight distribution improves balance without sacrificing structural integrity.
- Lifetime Warranty: Fortis Manufacturing stands behind its product with a comprehensive warranty for peace of mind.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | Fortis Manufacturing, Inc. |
| Model | LA Stock – Mil‑Spec Black (LAS‑15) |
| Compatibility | AR‑15 rifles with LAS‑15 (Long‑Action Stock) receiver |
| Material | High‑impact polymer blend with reinforced fiber matrix |
| Finish | Matte black, UV‑resistant coating |
| Length of Pull (LOP) | Adjustable 12.5" – 14.5" (317 mm – 368 mm) |
| Cheek Riser | Adjustable 0.25" – 0.75" (6 mm – 19 mm) |
| Weight | ≈ 1.3 lbs (590 g) – lightweight yet robust |
| UPC | 855476008001 |
| Warranty | Lifetime limited warranty against manufacturing defects |
Why Choose the Fortis LA Stock for Your AR‑15?
When it comes to building a reliable, high‑performance AR‑15, the stock is a critical component that influences accuracy, handling, and shooter comfort. The Fortis Manufacturing LA Stock delivers a perfect balance of strength and flexibility, making it ideal for:
- Competitive shooting – Consistent cheek weld and adjustable LOP help maintain sight alignment for rapid fire.
- Tactical applications – Low‑profile black finish and rugged construction thrive in demanding field conditions.
- Home defense – Easy-to‑use adjustments ensure quick, intuitive handling under stress.
- Recreational plinking – Comfortable ergonomics reduce fatigue during extended range sessions.
Installation Guide – Quick & Simple
Installing the Fortis LA Stock is a straightforward process that can be completed in under ten minutes:
- Ensure the rifle is unloaded and clear of ammunition.
- Remove the existing stock by loosening the two receiver screws using a standard flat‑head screwdriver or a hex key (provided).
- Align the new LA Stock with the receiver’s mounting holes.
- Insert the supplied hardware and tighten the screws to the recommended torque (≈ 4–5 ft‑lb).
- Adjust the cheek riser and length of pull to your preferred setting using the integrated adjustment knobs.
- Verify proper fit by shoulder‑checking the rifle; make any final tweaks for optimal comfort.
Customer Reviews & Testimonials
Customers consistently praise the Fortis LA Stock for its durability, fit, and ergonomic design. Below are real‑world experiences from verified AR‑15 owners:
"I swapped out my factory stock for the Fortis LA Stock and noticed an immediate improvement in stability. The black finish looks great, and the adjustments are smooth. Highly recommend for anyone looking to upgrade their rifle." – Mike D., Competitive Shooter
"The stock held up flawlessly after a weekend of 300 rounds on the range. No cracks, no warping—just solid performance." – Jessica L., Tactical Instructor
"Installation was a breeze. The fit was perfect right out of the box, and the adjustable cheek piece lets me maintain a perfect sight picture." – Tom H., Home Defense Enthusiast
FAQ – Frequently Asked Questions
- Q: Will this stock fit a standard AR‑15 without the LAS‑15 receiver?
A: The Fortis LA Stock is specifically engineered for the LAS‑15 (Long‑Action Stock) receiver. For standard AR‑15 receivers, consider Fortis' compatible stock models. - Q: Is the black finish prone to fading?
A: No. The matte black coating is UV‑resistant and designed to maintain its color and low‑glare profile even after extensive outdoor exposure. - Q: Can the stock be used with a pistol brace?
A: The LA Stock is designed for shoulder firing and does not feature a pistol brace attachment point. For pistol‑style configurations, Fortis offers dedicated brace‑compatible solutions. - Q: What tools are required for installation?
A: Only a standard flat‑head screwdriver or the supplied hex key is needed. No specialized tools are required.