Holosun 509 Adapter | Picatinny Lower 1/3

The Holosun 509 Adapter for Picatinny provides a lower 1/3 co-witness mounting option for Holosun 509 optics. It is CNC-machined from 6061 aircraft-grade aluminum and finished with Type III hard-anodizing for corrosion resistance and repeated field use. Stainless steel Torx head M3 screws secure the adapter to Picatinny rails for a snug, wobble-free fit. Typical applications include law enforcement duty rigs and everyday sighting setups for users who prefer a lower 1/3 optic mount.

Product Specifications

• The product type is Adaptor.
• The model is 509 Adapter.
• The mount fits Picatinny.
• The configuration provides a Lower 1/3 co-witness.
• The color is Black.
• The weight is 0.15.
• Constructed from 6061 aircraft-grade aluminum.
• The finish is Type III hard-anodized.
• Fasteners are stainless steel Torx head M3 screws.
• Designed for Holosun 509 optics.
• The subcategory is Mounting Accessories.
• The product type (attributes) is Adaptor.
• The UPC is 810047071082.

This compact, precision-machined adapter provides a stable, low-profile lower 1/3 mounting solution when pairing a Holosun 509 optic with Picatinny-equipped platforms. Its durable materials and secure fasteners make it a practical choice for users who need a reliable, repeatable mounting option for duty or everyday sighting setups.