XS Sights Armorers Block, Vise Block, For AR Platforms - AR7002AB1

The XS AR Upper & Lower Receiver Block is designed to allow the user to hold an AR-15/M4, AR-10, or SR-25 receiver in a bench mounted vise for assembly, modification and maintenance. This armorer's block will allow the gunsmith or enthusiast to assemble, modify, or maintain almost every AR pattern modern sporting rifle. While most blocks will only fit one specific style, the XS block provides the versatility needed to work on any AR pattern upper and lower receiver: AR-15, AR-10, SR25, or DMPS G