Product Spotlight: Brownells BRN4 HK416 Bench Block
This video demonstrates the use of the Brownells BRN4/HK416 Bench Block, a specialized tool designed for AR builders. It facilitates the installation and removal of gas block pins on BRN4 and HK416 pattern rifles, including those with M277/M38 profile barrels. The non-marring polymer construction and integrated punch holders make it a valuable tool for preventing damage during the build process.











