YHM Black Diamond M‑LOK Forearm – AR‑15 Rifle Length (YHM5343DX)
Overview
Upgrade your AR‑15 with the premium YHM Black Diamond M‑LOK Forearm, engineered for rifle‑length platforms. This sleek, high‑strength forearm combines a sophisticated black‑diamond finish with a fully integrated M‑LOK rail system, delivering both tactical functionality and a striking visual appeal.
Key Benefits
- Enhanced Grip: Textured, ergonomic surface provides a secure hold in all weather conditions.
- Modular Accessory Mounting: Full‑length M‑LOK slots allow attachment of lights, lasers, grips, and more without additional hardware.
- Rifle‑Length Compatibility: Designed specifically for AR‑15 rifle‑length builds, ensuring perfect fit with standard handguards.
- Durable Construction: CNC‑machined 7075‑T6 aluminum alloy with a black‑diamond anodized coating for superior wear resistance.
- Weight Optimized: Light yet robust, maintaining overall rifle balance for improved handling.
Technical Specifications
| Material | 7075‑T6 Aluminum (anodized) |
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| Finish | Black Diamond Anodized |
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| Length | Rifle length (approximately 9.5 inches) |
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| Weight | ~0.38 lbs (172 g) |
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| M‑LOK Slots | Four full‑length slots (compatible with standard M‑LOK accessories) |
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| Installation | Direct fit with standard AR‑15 upper receiver; requires no additional adapters. |
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| Compatibility | AR‑15 rifle‑length platforms, including 16‑in. barrel builds, SOPMOD, and custom builds. |
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| Country of Origin | United States |
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Why Choose YHM?
YHM (Your Hand Made) is renowned for precision‑engineered firearm components that meet the demands of professional operators, competitive shooters, and avid enthusiasts alike. The Black Diamond M‑LOK forearm is the result of rigorous testing and quality control, guaranteeing a perfect fit and reliable performance shot after shot.
Installation Guide
- Ensure the rifle is cleared and the upper receiver is removed from the lower.
- Align the forearm’s mounting holes with the receiver’s slots.
- Insert the provided set screws and tighten to the recommended torque (≈ 20 in‑lb).
- Verify that the M‑LOK slots are flush with the surface and free of obstruction.
- Reassemble the rifle and perform a function check.
Ideal Use Cases
- Home defense and tactical duty
- Competitive shooting (3‑gun, IDPA, USPSA)
- Hunting and long‑range precision shooting
- Custom builds and rifle upgrades
Customer Reviews
"The black‑diamond finish looks amazing, and the M‑LOK slots are perfectly spaced for my accessories. Fits like a glove!" – John D.
"Excellent balance and durability. I’ve put this forearm through rain and dust with no issues." – Sarah K.
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