The Yankee Hill Machine 227A Scope Riser provides the additional height needed to achieve proper cheek weld and sight alignment on AR-15 platforms. This precision-machined aluminum mount elevates optics to clear backup iron sights while maintaining zero reliability.
What Makes This Different
Unlike basic riser blocks, the YHM 227A features a continuous Picatinny rail surface that maintains MIL-STD-1913 specifications across the entire mounting platform. The one-piece construction eliminates potential flex points that can affect accuracy. Precision tolerances ensure consistent return to zero when optics are removed and reinstalled.Key Features
- Raises optic mounting height by 0.83 inches for co-witness with iron sights
- Machined from 6061-T6 aluminum with Type III hard anodized finish
- Full-length Picatinny rail maintains proper spacing and dimensions
- Compatible with all standard scope rings and red dot mounts
- Includes stainless steel mounting hardware with thread locker
- Low-profile design adds minimal bulk to rifle setup
- Matte black finish reduces glare and matches most optics
Technical Specs
- Height: 0.83 inches (21mm) elevation
- Length: 5.5 inches overall
- Width: 0.87 inches (standard Picatinny)
- Weight: 2.1 ounces
- Material: 6061-T6 aluminum construction
- Finish: Type III hard anodized matte black
- Mounting: Picatinny/Weaver compatible
- Hardware: Stainless steel screws included
- Made in USA with limited lifetime warranty
