C&H Precision AREX Delta L Gen 2 to Holosun 509T Steel Adapter Plate
Not Yet Rated | Write the First Review SKU: 222-C&H-AREX-509T-ST
UPC: 616943735413
MFG#: AREX-509T-ST

C&H Precision AREX Delta L Gen 2 to Holosun 509T Steel Adapter Plate

Upgrade your optics setup with the most rugged, precision-engineered red dot adapter plate designed for the AREX Delta L Gen 2 and the Holosun 509T. Manufactured in the USA from high-strength steel, this adapter ensures a secure and lasting mount for your red dot optic — trusted by professionals, competitive shooters, and everyday carriers alike.

Why Choose This Steel Adapter Plate?

• Designed Specifically for the AREX Delta Gen 2 Series
  This plate is machined to perfectly match the slide cuts of AREX Delta Gen 2 pistols, including the L, M, X, and Tactical variants.

• Compatible with the Holosun 509T (Standard Version)
  Ensures a precise, rock-solid fit for the Holosun 509T optic. (Note: This plate is not compatible with the HE509-RD ACSS Vulcan.)

• Steel Construction for Maximum Durability
  Built from high-grade steel to withstand recoil, harsh conditions, and daily use without deformation or loosening.

• Patented Stainless Steel T-Nut System
  Offers 6–7 threads of engagement — providing industry-leading optic retention and easy hardware replacement if needed.

• Machined in the USA
  Manufactured on HAAS CNC machines in Coastal Georgia with tight tolerances and rigorous quality control.

Compatibility

• Firearm Models:

  • AREX Delta Gen 2 L

  • AREX Delta Gen 2 M / M Tactical

  • AREX Delta Gen 2 X / X Tactical

• Optic Model:

  • Holosun 509T (Standard)

Installation Tips

For a safe and proper fit:

• Always dry-fit your components before installation.

• Check your slide and optic tolerances.

• If unsure about proper height for co-witness iron sights, contact our support team — we’ll guide you to the right setup.

Technical Specs

• Material: Steel

• Weight: 1 lb

• Dimensions: 6 × 1 × 1 in

• Made in: USA

• Mounting Hardware: Replaceable T-Nut System

Frequently Asked Questions (FAQ)

Q: Will this plate fit the Holosun 509T ACSS Vulcan?
A: No — this plate is not compatible with the Holosun HE509-RD ACSS Vulcan. It's designed for the standard 509T model.

Q: Is this adapter plate compatible with all AREX Delta pistols?
A: It fits the entire AREX Delta Gen 2 series, including L, M, X, and Tactical models.

Q: Does this allow co-witness with iron sights?
A: Co-witness height varies by setup. Please contact us with your specific slide and optic combo for the correct iron sight height.

Q: What makes this better than other red dot plates?
A: It’s made from steel — not aluminum — and uses a patented T-Nut system for superior thread engagement, mounting security, and durability.

Q: Where is this product made?
A: Right here in the USA, at our family-run facility in Coastal Georgia.