The XS Armorers Block for AR Platforms is designed to allow the user to hold an AR-15/M4, AR-10, SR25 or DPMS GII upper receiver in a bench mounted vise for assembly, modification and maintenance. This upper receiver 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 need to work on any AR pattern upper receiver: AR-15, AR-10, SR25, or DMPS GII. This versatility, plus the reliability of an XS Sights product, is a one size fits all solution for ARs. Will not work for ARs in .300 Win Mag or 12 ga.

Features:

- One size fits all solution for ARs
- Hold an AR-15/M4, AR-10, SR-25 or DPMS GII upper receiver in a bench mounted vise for assembly, modification and maintenance
- Assemble, modify, or maintain almost every AR pattern modern sporting rifle
- Provides the versatility need to work on any AR pattern upper receiver

Specifications:

- Fits (Upper Receivers): AR-15/M4, AR-10, SR25, or DMPS GII (Will not work for ARs in .300 Winchester Magnum or 12 Gauge)
- Material: Anodized T6 Aluminum
- Includes: Pins