The Yankee Hill Machine Front Flip Sight Tower with Bottom Rail (Model YHM-9835A) is a high-quality, American-made AR-15 accessory that combines a reliable flip-up front sight with a functional Picatinny rail. Designed for shooters who want both backup iron sights and the ability to mount accessories, this front sight tower offers versatility and durability in one compact package. Whether you're building a custom AR-15, upgrading an existing rifle, or looking for a dependable backup sighting system, the YHM-9835A delivers professional-grade performance.
Flip-Up Front Sight Design
The YHM-9835A features a spring-loaded flip-up front sight that can be quickly deployed when needed and folded down when using optics. This design allows shooters to maintain a low-profile setup while still having access to reliable iron sights as a backup. The sight is machined from durable steel and features a protected post that helps prevent damage during transport or rough handling. The flip mechanism is smooth and positive, locking securely in both the up and down positions for consistent accuracy when deployed.
The Yankee Hill Machine YHM-9835A Front Flip Sight Tower combines a rugged flip-up front sight with an integrated Picatinny bottom rail, giving AR-15 shooters both backup iron sights and accessory mounting capability in one compact unit.
Integrated Bottom Picatinny Rail
One of the standout features of the YHM-9835A is the integrated Picatinny rail located on the bottom of the sight tower. This rail allows users to mount a wide variety of accessories, including weapon lights, laser aiming devices, or vertical foregrips. Having the rail built directly into the front sight tower saves rail space on the handguard and keeps accessories positioned forward on the rifle for better balance and ergonomics. The rail is machined to MIL-STD-1913 specifications for compatibility with most Picatinny accessories.
Key Features of the Yankee Hill Machine YHM-9835A
- Flip-Up Front Sight – Spring-loaded design for quick deployment and low-profile storage
- Integrated Bottom Picatinny Rail – Allows mounting of lights, lasers, and other accessories
- Durable Steel Construction – Built to withstand heavy use and harsh conditions
- Protected Sight Post – Helps prevent damage to the front sight
- AR-15 Compatible – Designed to fit standard AR-15 gas blocks and rail systems
- American Made – Manufactured by Yankee Hill Machine in the USA
- Model YHM-9835A – Official Yankee Hill Machine part number
- UPC 816701013443 – Authentic YHM product
Why Choose the Yankee Hill Machine YHM-9835A?
Yankee Hill Machine has built a strong reputation for producing high-quality, American-made AR-15 components that offer excellent value and reliability. The YHM-9835A Front Flip Sight Tower stands out because it combines two essential functions into one well-engineered unit. Instead of mounting a separate front sight and then adding a rail section, this sight tower integrates both features seamlessly. This saves weight, reduces clutter, and provides a clean, professional appearance. The flip-up sight offers a dependable backup option for shooters who primarily use red dots or magnified optics, while the bottom rail adds practical mounting space without requiring additional rail sections on the handguard. Whether you're building a duty rifle, a home defense carbine, or a competition setup, the YHM-9835A provides the versatility and durability serious shooters demand.
Technical Specifications
| Brand | Yankee Hill Machine (YHM) |
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| Model | YHM-9835A |
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| Product Type | Front Flip Sight Tower with Bottom Rail |
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| Material | Steel |
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| Sight Type | Flip-Up Front Sight |
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| Rail Type | Picatinny (Bottom) |
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| Compatibility | AR-15 / M4 Platforms |
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| Finish | Black |
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| Country of Origin | USA |
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| UPC | 816701013443 |
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Ideal Applications
The Yankee Hill Machine YHM-9835A is an excellent choice for a wide range of AR-15 builds. It is particularly well-suited for rifles that use a low-profile gas block with a railed handguard, where shooters want to add backup iron sights without sacrificing accessory mounting space. The integrated bottom rail makes it easy to mount a weapon light in a forward position, which is ideal for home defense and tactical applications. Competitive shooters and recreational plinkers will appreciate the lightweight yet durable construction and the ability to quickly switch between optics and iron sights. The YHM-9835A is also popular among builders who want a clean, integrated look rather than bolting on multiple separate components. Its combination of a reliable flip-up sight and functional Picatinny rail makes it a smart, space-saving upgrade for any AR-15 platform.
Upgrade your AR-15 with the Yankee Hill Machine Front Flip Sight Tower with Bottom Rail. The YHM-9835A combines a rugged flip-up front sight with an integrated Picatinny rail, providing both backup iron sights and accessory mounting capability in one high-quality American-made component. UPC 816701013443.
