NcSTAR AR10 Upper Receiver Block Private Security Secure Attachment Ring: The secondary

Secure Attachment Ring: The secondary rubberized ring stays firmly seated on the light bezel

The click-on/off pushbutton switch allows for quick and secure activation

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collectors

Angled side seam for a flattering fit

NcSTAR AR10 Upper Receiver Block Private Security Secure Attachment Ring: The secondaryNcSTAR AR10 Upper Receiver Block VTHAR10UVB Upper receiver block is designed to fits AR10 (7. 62X51 . 308) type receivers to help with assembly and general maintenance of AR receivers. The modular upper receiver block can be used in several ways for many different maintenance tasks. You may use just the lower half of the block by attaching it quickly to the AR10 upper receiver with the two provided receiver pins. This allows you to clamp the AR10