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NCStar
An AR-15 upper receiver block is an essential shop tool for anyone who builds, maintains, or repairs their own rifle. The NcStar VTARUVB is a straightforward aluminum receiver block designed to securely hold AR-15 and M4 upper receivers during assembly, disassembly, cleaning, and general gunsmithing work. Whether you're swapping barrels, installing rail systems, or running a bore brush through your barrel, a stable work platform keeps both your hands free and your receiver protected from marring.
Built from aluminum with a blue anodized finish, the NcStar upper receiver block is lightweight enough to move between your bench and range bag but rigid enough to handle repeated use. Aluminum construction resists corrosion and won't rust in a humid shop environment, and the anodized coating adds durability without adding significant weight. The straightforward design means no learning curve—clamp your receiver, do your work, and move on.
This is the kind of tool that pays for itself the first time you need both hands free to brush a fouled bore or carefully install a new gas tube. If you're already maintaining your own AR platform rifles, an upper receiver block transforms a frustrating one-handed job into a professional, repeatable task.
| Material | Aluminum |
| Finish | Blue Anodized |
| Compatibility | AR-15 and M4 Upper Receivers |
| Design | Bore Brush Compatible |
The NcStar VTARUVB is designed to fit AR-15 and M4 upper receivers, making it compatible with standard and modern tactical AR platforms.
Yes. The block is bore brush compatible, so you can run cleaning patches and brushes through your barrel while the receiver is held securely in the block.
An upper receiver block holds your AR receiver in place during assembly, disassembly, maintenance, cleaning, and general gunsmithing work. It frees both your hands so you can safely and accurately perform work on your rifle.
NCStar
An AR-15 upper receiver block is an essential shop tool for anyone who builds, maintains, or repairs their own rifle. The NcStar VTARUVB is a straightforward aluminum receiver block designed to securely hold AR-15 and M4 upper receivers during assembly, disassembly, cleaning, and general gunsmithing work. Whether you're swapping barrels, installing rail systems, or running a bore brush through your barrel, a stable work platform keeps both your hands free and your receiver protected from marring.
Built from aluminum with a blue anodized finish, the NcStar upper receiver block is lightweight enough to move between your bench and range bag but rigid enough to handle repeated use. Aluminum construction resists corrosion and won't rust in a humid shop environment, and the anodized coating adds durability without adding significant weight. The straightforward design means no learning curve—clamp your receiver, do your work, and move on.
This is the kind of tool that pays for itself the first time you need both hands free to brush a fouled bore or carefully install a new gas tube. If you're already maintaining your own AR platform rifles, an upper receiver block transforms a frustrating one-handed job into a professional, repeatable task.
| Material | Aluminum |
| Finish | Blue Anodized |
| Compatibility | AR-15 and M4 Upper Receivers |
| Design | Bore Brush Compatible |
The NcStar VTARUVB is designed to fit AR-15 and M4 upper receivers, making it compatible with standard and modern tactical AR platforms.
Yes. The block is bore brush compatible, so you can run cleaning patches and brushes through your barrel while the receiver is held securely in the block.
An upper receiver block holds your AR receiver in place during assembly, disassembly, maintenance, cleaning, and general gunsmithing work. It frees both your hands so you can safely and accurately perform work on your rifle.
