The NcStar VTARUVB Upper Receiver Block Blue Anodized Aluminum AR-15 is a modular vise block engineered to securely support AR-15 and M4 upper receivers during maintenance and assembly. Machined from durable blue anodized aluminum, it uses a two-piece design that supports the receiver internally rather than clamping on the exterior, helping prevent twisting or damage when installing or removing barrels and other components.

This upper receiver block is ideal for home armorers and professional gunsmiths who need a stable way to hold an AR-15 upper in a bench vise for tasks such as barrel changes, handguard installation, muzzle device work, and detailed cleaning. A longitudinal bore brush guide through the block keeps cleaning rods properly aligned, while the design leaves the optics rail accessible for mounting accessories. Backed by NcStar’s reputation for practical, value-focused tools, the VTARUVB is a reliable addition to any AR-15 workbench.

Key Features:

• Manufacturer: NcStar
• Model: VTARUVB Upper Receiver Block
• Type: Vise Block
• Firearm Fit: AR-15 / M4 Upper Receivers
• Material: Blue Anodized Aluminum
• Special Features: Modular two-piece design, internal receiver support, integrated bore brush guide, optics rail remains accessible