Crosstac Ar-15 Armorer Block Kit Aluminum

If you're ready to jump into the world of AR-style rifle building, then it's critical to have the necessary tools that will make your next AR build a breeze. The Crosstac AR-15 Armorer Block Kit is a must-have for anyone who's looking to build more than a single rifle. Trust us, you'll build more than one AR after you're finished with your first. Designed to work with both AR-15 and AR .308 platforms, this Crosstac Aluminum Armorer Block Kit includes features designed to secure both the upper and lower receivers of these popular platform. This design emerged from the frustration of Crosstac's team of engineers, who were tired of dealing with clamshell-style re Mfg: Crosstac