Hejnar C3QD-400 Quick Release Rail – 4.00" Arca-Swiss Compatible Plate with Dual QD Sockets

The Hejnar Photo C3QD-400 Quick Release Rail is a precision-engineered 4.00" dovetail plate featuring two integrated QD (Quick Detach) stainless steel insert sockets. The QD system allows secure attachment of push-button QD mounts, widely used by NASA, law enforcement, and military agencies. Its design inhibits accidental removal, especially when the camera is hanging from a strap. The double-dovetail design provides dual clamping surfaces for maximum versatility.

✅ Compatible With

Arca-Swiss style clamps
Markins, RRS, Kirk, Wimberley, Acratech
Photo Clam, Foba, Jobu Designs, Custom Brackets
Vanguard ABH Series (Arca-compatible only)

📐 Specifications

Length: 4.00"
Width: 1.5"
Thickness: 0.375" (3/8")
One slot
Two safety stops (M3 screws)
Two QD sockets (stainless steel inserts built-in)
Double-dovetail design for dual clamping surfaces
Material: CNC-machined 6061-T6 aluminum
Finish: Black hard coat anodized
Hardware: Stainless steel
Made in USA

📦 Auction Includes

One Hejnar C3QD-400 4.00" Rail
Two 1/4-20 × 0.5" captive screws
Two M3 safety stop screws (pre-installed)
Hex key for 1/4-20 and M3 screws

🚚 Shipping Information

Free USPS Ground Advantage Mail
Tracking info provided upon shipment
Note: USPS delivery times may vary and tracking updates are not always daily
For time-sensitive orders, select FedEx, UPS, or USPS Express Mail at checkout

Quick Overview:
• 4.00" Arca-Swiss compatible rail
• Dual QD sockets for strap attachment
• CNC aluminum, black anodized
• Includes screws, flange, and hex key
• Ships free via USPS Ground Advantage

Note: Images may show additional gear for demonstration. See "Auction Includes" for exact contents.