Brownells BRN-4 HK416 Barrel Bench Block Polymer

The Brownells BRN-4 HK416 Barrel Bench Block is a polymer gunsmithing tool designed specifically for working on BRN-4 and HK416 platform rifles. This bench block provides a stable work surface for barrel installation, removal, and maintenance tasks. Made from durable polymer construction, it offers secure support while protecting your firearm's finish during gunsmithing operations.