Battle Arms Development WORKHORSE 15" Rail & .750 Gas Block – Anodized Black

Key Features & Benefits

• Robust 15‑inch aluminum rail – CNC‑machined from aircraft‑grade 6061‑T6 aluminum for maximum strength and lightweight performance.
• Full‑length anodized black finish – Provides superior corrosion resistance and a matte aesthetic that blends with any AR‑15 build.
• .750‑size gas block – Precisely machined to match the 0.750‑mm gas port, ensuring optimal gas flow and consistent cycling.
• Integrated gas block mounting – The rail’s design incorporates a reinforced gas block slot for a rock‑solid connection.
• Easy installation – Comes with all necessary hardware and a step‑by‑step installation guide for a hassle‑free upgrade.
• Improved accuracy – Rigid rail platform reduces flex, delivering tighter shot groups even under rapid fire.
• Versatile accessory mounting – Compatible with MIL‑STD‑1913 (Picatinny) accessories, including optics, lasers, foregrips, and lights.
• Enhanced heat dissipation – Aluminum construction promotes better heat management during sustained shooting sessions.

Why Choose the WORKHORSE 15" Rail & .750 Gas Block?

The Battle Arms Development brand is renowned for engineering solutions that balance precision machining with rugged durability. The WORKHORSE 15" rail and .750 gas block are engineered to meet the highest standards of the tactical community, offering:

• Reliability – Consistent cycling in both low‑ and high‑temperature environments.
• Compatibility – Directly fits the WH‑UR‑UPG upper, eliminating fit‑issues that plague generic rails.
• Performance – Reduced recoil impulse and smoother operation, especially when paired with a matched buffer system.
• Longevity – Anodized finish protects against wear, rust, and the elements, ensuring a lifespan that matches the rest of your AR‑15.

Technical Specifications

Installation Overview

1. Ensure the rifle is unloaded and the bolt is removed.
2. Place the WORKHORSE rail onto the upper receiver, aligning the rail’s dovetail with the receiver’s slots.
3. Secure the rail using the supplied set screws; torque to the manufacturer’s recommended specifications.
4. Install the .750 gas block into the dedicated gas block slot on the rail, ensuring proper orientation.
5. Attach the gas block to the barrel using the provided gas block screws; verify that the gas port aligns perfectly.
6. Reassemble the upper and test function by cycling the action and confirming reliable ejection and feeding.

Customer Reviews

"The WORKHORSE rail feels like an extension of the rifle itself—solid, no flex, and the black finish looks great even after weeks of field use."

— TacticalGearReviewer, 5★

"Installing the .750 gas block was a breeze, and I noticed a smoother cycle immediately. Perfect upgrade for my AR‑15 build."

— ShooterJoe, 5★

Frequently Asked Questions

Is this rail compatible with other AR‑15 uppers?

Yes, the rail can be installed on any AR‑15 upper that accepts a standard 15‑inch Picatinny rail, though it is optimized for the WH‑UR‑UPG platform.

Do I need to purchase a new gas tube?

The .750 gas block is designed to work with standard .750‑size gas tubes. If you already have a compatible tube, no additional purchase is required.

Can I paint over the anodized finish?

We recommend preserving the anodized coating for maximum durability. If painting is desired, the surface must be properly stripped and primed.

What is the warranty on this product?

Battle Arms Development offers a limited 2‑year warranty against manufacturing defects.

Upgrade your AR‑15 today with the Battle Arms Development WORKHORSE 15" Rail and .750 Gas Block for unmatched performance and reliability.