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. This block securely holds upper and lower receivers in multiple configurations, providing stable support for installing barrels, swapping handguards, staking castle nuts, and general armorer work. Built from durable polymer, it's a practical addition to any shooter's workbench.

The block features integrated receiver cradles, barrel nut wrench slots, and a magazine well insert for lower receiver work. Multiple clamping points allow vertical and horizontal positioning, giving you the access and leverage needed for precise work. Compatible with standard AR-15 and AR-10 pattern rifles.

• 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