Features integrated Gun Gripper yokes designed to support guns while maintaining a secure non-marring grip. Real Avid’s Optimal All-In-One Gun Cleaning Kit and Workstation. 2 Workstation setup. Versatile Multi-Cal kit contains the following: bore brushes, jags patches for. 22-45cal pistol. 22-30 cal rifle and 12 & 20GA, 3-piece gun cleaning rod, bore guide, brushes, picks and gun mat.