The Yankee Hill Machine Co MLOK to ARCA Rail (model YHM-1610A) is a premium‑grade conversion rail that bridges the gap between M‑LOK and ARCA mounting systems. Engineered for durability and precision, this 10‑inch black rail delivers a seamless platform for attaching a wide variety of optics, accessories, and tactical gear to your firearm.
Key Benefits
- Universal Compatibility: Converts standard M‑LOK slots into a full‑length ARCA rail, allowing you to mount any ARCA‑compatible accessory.
- Robust Construction: CNC‑machined from aircraft‑grade aluminum alloy with a black anodized finish for superior strength and corrosion resistance.
- Precision Alignment: Zero‑tolerance machining ensures accurate, repeatable alignment for optics and sighting systems.
- Lightweight Design: At only 0.45 lb, the rail adds minimal weight while maintaining structural integrity.
- Easy Installation: Comes with a complete set of M‑LOK hardware; installation can be completed in under 15 minutes with standard tools.
- Future‑Proof: ARCA’s modular system is widely adopted, making this rail a long‑term investment for evolving accessory ecosystems.
Technical Specifications
| Brand | Yankee Hill Machine Co |
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| Model | YHM-1610A |
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| UPC | 841812100676 |
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| Length | 10 inches (254 mm) |
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| Finish | Black anodized |
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| Material | Aircraft‑grade aluminum alloy |
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| Compatibility | M‑LOK to ARCA conversion (fits all standard M‑LOK slots) |
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| Mounting Hardware | Included – M‑LOK nuts and bolts (stainless steel) |
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| Weight | 0.45 lb (205 g) |
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Why Choose Yankee Hill Machine Co?
Yankee Hill Machine Co has been a trusted name in firearms accessories for over two decades. Their dedication to precision engineering and rigorous testing guarantees that every rail they produce meets the highest standards of performance and reliability. The MLOK ARCA rail exemplifies this commitment, delivering a product that enhances accuracy, modularity, and tactical flexibility.
Installation Overview
- Identify the M‑LOK slots on your rifle or platform.
- Align the rail’s M‑LOK interface with the slots, ensuring a flush fit.
- Secure the rail using the included stainless‑steel M‑LOK nuts and bolts; tighten to the recommended torque (≈ 35 in‑lb).
- Verify the ARCA slots are clean and free of debris.
- Mount your ARCA‑compatible accessories, double‑checking alignment before use.
Applications & Use Cases
Whether you are a competitive shooter, a tactical professional, or a hunting enthusiast, this rail provides the flexibility to:
- Mount long‑range optics such as riflescopes and variable power scopes.
- Attach forward grips, bipods, and laser designators.
- Integrate night vision devices and thermal sights without compromising zero.
- Upgrade legacy platforms that originally featured only M‑LOK slots.
Customer Support & Warranty
Yankee Hill Machine Co stands behind every product with a limited lifetime warranty covering manufacturing defects. Their dedicated support team is available via phone, email, or live chat to assist with any installation questions or technical concerns.
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