This ERGO Armorer Block is one of the most useful maintenance accessories available for an AR-10. Simply bolt or clamp securely to a bench or other work surface, place an AR rifle onto the block inside the magazine well and the rifle is held in place for cleaning, maintenance or storage.

• 1-piece rugged design
• Fits rifles that use SR-25 pattern magazines
• Weight: 7oz
• 6-1/8” tall x 2” long (at the base) x 4-1/4” wide (at the base)
• 1/4” mounting holes