NcStar VTARUVB AR-15 Upper Receiver Block Blue Anodized Aluminum

The NcStar VTARUVB Upper Receiver Block provides secure clamping for AR-15 upper receivers during assembly, maintenance, and barrel installation procedures. This blue anodized aluminum block eliminates the need for complete lower receiver attachment when working on upper receiver components.

What Makes This Different

Unlike generic receiver blocks that rely on loose tolerances, the VTARUVB features precision-machined surfaces that mate securely with mil-spec upper receivers. The anodized aluminum construction resists wear from repeated clamping while maintaining dimensional stability under torque loads. This block accommodates both flat-top and A2-style upper receivers without modification.

Key Features

• Blue Type III hard anodized aluminum construction for corrosion resistance
• Precision-machined surfaces ensure proper upper receiver alignment
• Compatible with standard AR-15/M4 upper receivers and variants
• Eliminates stress on trigger components during barrel installation
• Vise-friendly design with flat clamping surfaces
• Lightweight at approximately 8 ounces for portable use
• Accommodates both carbine and rifle-length upper receivers

This receiver block proves essential for barrel nut installation, muzzle device timing, and gas block alignment procedures. Gunsmiths and serious builders rely on proper upper receiver support to prevent damage during high-torque operations. The block's rigid construction maintains receiver integrity while allowing full access to barrel extension threads and gas tube ports.

Technical Specs

• Material: 6061-T6 aluminum with Type III hard anodizing
• Finish: Blue anodized
• Weight: Approximately 8 ounces
• Compatibility: AR-15/M4 upper receivers
• Clamping method: Vise-mounted operation
• Country of Origin: Manufactured overseas
• Warranty: Standard manufacturer warranty

Professional armorers and home builders recognize the VTARUVB as an essential workshop tool that prevents costly upper receiver damage. The precision engineering and durable anodized finish ensure years of reliable service across multiple build projects.