The Vortex CM-304 delivers tactical versatility in a compact mount designed for optimum sight alignment. Built to move your red dot forward approximately 1", it grants lower 1/3 absolute co-witness height (≈?40?mm), ideal for pairing with rear backup iron sights or magnifiers like the VMX-3T. 

Key Features:

• Lower 1/3 Co-Witness Height: Precisely positions red dots for quick transition between optics and iron sights. 

• Approximately 40?mm Center Height: Offers consistent cheek weld and fast visual acquisition.

• 1 Inch Forward Offset: Extends the optic forward for alignment flexibility and rail clearance.

• Durable Build: Crafted from 6061-T6 aluminum with a matte black anodized finish for strength and corrosion resistance. 

• Universal Rail Fit: Compatible with Picatinny and Weaver rails for broad mounting versatility. 

• Torque-Specified Hardware:

  • Base Screws: 35–45 in-lbs

  • Ring Cap Screws: 15–18 in-lbs

  • Torx T-15 wrench included. 

• Weight: Approximately 6.7 oz, balancing rigidity with minimal bulk. 

• Lifetime Backing: Covered by Vortex’s VIP unconditional lifetime warranty. 

Ideal For:

• Shooters using Red Dot sights like StrikeFire + magnifier combos.

• Applications requiring lower 1/3 co-witness with iron sights.

• AR-platform builds demanding compact offset mounting without sacrificing reliability.

Upgrade your optic platform with the Vortex CM-304—available now at Proven Arms & Outfitters for dependable co-witness alignment and precision-engineered durability.