Yankee Hill Machine QDS Quick Deploy Flip-Up Front and Rear Sight Set Hooded AR-15 Flat-Top Aluminum MatteYankee Hill Machine$249.75
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Yankee Hill Machine
The Yankee Hill Machine QDS Quick Deploy Flip-Up Rear Sight is a spring-assisted backup sight designed for AR-15 flat-top receivers. Built from aircraft-grade aluminum and finished in matte hardcoat anodize to military spec, this rear sight pairs reliability with speed on target. The automatic deploy mechanism springs the sight into position with a button press, while positive locks hold it securely whether folded or deployed. It's the kind of no-nonsense backup optic that hunters and shooters trust when primary glass fails or when you need a fast, reliable iron sight picture.
What sets the QDS apart is its compact profile. When stowed, the entire sight sits just .435 inches above your rail—low enough to coexist with most modern optics without crowding your receiver or adding bulk to your platform. Deploy it in seconds, lock it down, and you've got a dual-aperture rear sight ready to work. The matte finish resists glare and plays well with tactical aesthetics without sacrificing function.
Whether you run this as primary irons on a budget build or as backup on a multi-optic setup, the YHM QDS delivers the kind of proven design that's earned respect in the shooting community. It's built to handle hard use and spring back without complaint.
| Brand | Yankee Hill Machine Co |
| Product Type | Flip-Up Rear Sight |
| Aperture Configuration | Dual Aperture |
| Material | Aircraft-Grade Aluminum |
| Finish | Matte Hardcoat Anodize (Military Spec or Better) |
| Mounting | AR-15 Flat-Top Rail |
| Deployment Mechanism | Spring-Assisted Button Deploy |
| Folded Height | .435 inches |
Yes—the YHM QDS is designed for AR-15 flat-top receivers. If your upper features a standard Picatinny rail on top, this sight will mount and function as intended.
A dual aperture setup gives you two different sight picture options. You can select the aperture that works best for your distance and lighting conditions without having to change sights.
Push the button and an internal spring mechanism drives the sight upward into the deployed position. The sight locks positively once raised and stays locked until you manually fold it back down.
Yes. At just .435 inches when folded, the QDS sits low enough on the rail that most modern optics won't interfere with it. This makes it a practical backup iron sight option for primary-optics setups.
Yankee Hill Machine
The Yankee Hill Machine QDS Quick Deploy Flip-Up Rear Sight is a spring-assisted backup sight designed for AR-15 flat-top receivers. Built from aircraft-grade aluminum and finished in matte hardcoat anodize to military spec, this rear sight pairs reliability with speed on target. The automatic deploy mechanism springs the sight into position with a button press, while positive locks hold it securely whether folded or deployed. It's the kind of no-nonsense backup optic that hunters and shooters trust when primary glass fails or when you need a fast, reliable iron sight picture.
What sets the QDS apart is its compact profile. When stowed, the entire sight sits just .435 inches above your rail—low enough to coexist with most modern optics without crowding your receiver or adding bulk to your platform. Deploy it in seconds, lock it down, and you've got a dual-aperture rear sight ready to work. The matte finish resists glare and plays well with tactical aesthetics without sacrificing function.
Whether you run this as primary irons on a budget build or as backup on a multi-optic setup, the YHM QDS delivers the kind of proven design that's earned respect in the shooting community. It's built to handle hard use and spring back without complaint.
| Brand | Yankee Hill Machine Co |
| Product Type | Flip-Up Rear Sight |
| Aperture Configuration | Dual Aperture |
| Material | Aircraft-Grade Aluminum |
| Finish | Matte Hardcoat Anodize (Military Spec or Better) |
| Mounting | AR-15 Flat-Top Rail |
| Deployment Mechanism | Spring-Assisted Button Deploy |
| Folded Height | .435 inches |
Yes—the YHM QDS is designed for AR-15 flat-top receivers. If your upper features a standard Picatinny rail on top, this sight will mount and function as intended.
A dual aperture setup gives you two different sight picture options. You can select the aperture that works best for your distance and lighting conditions without having to change sights.
Push the button and an internal spring mechanism drives the sight upward into the deployed position. The sight locks positively once raised and stays locked until you manually fold it back down.
Yes. At just .435 inches when folded, the QDS sits low enough on the rail that most modern optics won't interfere with it. This makes it a practical backup iron sight option for primary-optics setups.
