XS Sights AR Armorer's Block – Gunsmithing Tool for AR-15 & AR-10 Platform Rifles

The XS Sights Armorer's Block is a precision gunsmithing tool designed for AR-15 and AR-10 platform maintenance, assembly, and customization.

• Platform: AR-15 & AR-10
• Material: High-density polymer
• Functions: Upper/lower receiver support, barrel installation, handguard swaps, castle nut staking
• Features: Receiver cradles, barrel nut wrench slots, magazine well insert
• Mounting: Compatible with bench vises