Holosun 509 Adapter for Picatinny 1/3 Co-Witness
Holosun 509 Adapter for Picatinny 1/3 Co-Witness
Secure elite Holosun 509T sights on any Picatinny rail with Holosun 509 Adapter for Picatinny 1/3 Co-Witness—precision CNC 6061-T6 aluminum mount (41.4mm height for perfect lower 1/3 irons picture, black Type III anodized, ~30-45g) clamps direct to MIL-STD-1913 rails on rifles, shotguns from Tikka T3x to CZ 600. Stainless Torx M3 screws deliver wobble-free lock against magnum recoil, optimized for heads-up speed in hunting or tactical ops. Compact, corrosion-proof design with lifetime reliability. Order Holosun 509 Adapter for Picatinny 1/3 Co-Witness now for unbeatable rail versatility.
Picatinny Elite Advantages:
- 1/3 Co-Witness Gold: 41.4mm elevates optic perfectly over irons; instant backup without flips.
- 6061 Aircraft Tough: Withstands -30°C to +60°C, brutal .308+ vibes—no flex ever.
- Universal Rail Beast: Fits Accuracy International AX, Ruger Precision, Sako TRG, 100+ platforms seamless.
- Torx Bulletproof: M3 stainless hardware torques 20 in-lbs solid; zero shift guaranteed.
Zero-Minute Install:
Slide & Clamp: Picatinny lock; torque M3 to spec.
Drop Optic: 509T series mates native; align sight picture.
Battle Test: 500 rounds—no movement, full co-witness.
Field Armor: Anodized repels mud/salt; wash and repeat.
Order Holosun 509 Adapter for Picatinny 1/3 Co-Witness today—Europe delivery from Croatia in 3-5 days via Professional Optics Split!
Technical Specifications Holosun 509 Adapter for Picatinny 1/3 Co-Witness
Feature | Specification |
Manufacturer | Holosun |
Model | 509 Adapter Picatinny 1/3 Co-Witness |
Rail Fit | Picatinny/Weaver (MIL-STD-1913) |
Optic Footprint | Holosun 509 (HE509T series) |
Height | 41.4 mm (1/3 Lower Co-Witness) |
Material | 6061-T6 Aircraft Aluminum |
Finish | Black Type III Hard Anodized |
Weight | 30-45 g |
Operating Temperature | -30°C to +60°C |
Hardware Included | Stainless Torx M3 Screws |
Compatibility | Rifles/Shotguns (Tikka, CZ, Ruger) |
Warranty | Lifetime |
Frequently Asked Questions:
- What exact height provides true 1/3 co-witness? 1.63 inches (41.4mm) aligns optic precisely above irons for lower third backup view.
- Survives heavy rifles like Sako TRG or Savage 110? Absolutely—6061 CNC + Torx crushes high recoil; military proven.
- Recommended torque for M3 mounting screws? 15-20 in-lbs prevents stripping while locking zero permanently.
- Fits all standard Picatinny rails without mods? Yes, universal MIL-STD-1913; works Accuracy Int'l AX to Zastava M93 Black Arrow.
- Anodized finish hold up in saltwater hunts? Type III hard coat corrosion-proofs against moisture, salt, grit—lifetime field ready.







