AR15 BLK Lower Receiver Vise Block Armorers Gunsmith Magazine Tool .223 - 5.56
Machined from NO-M.A.R Polymer this lower receiver vise block will make gunsmithing chores much easier! Load it through the top or bottom to lock it onto your magazine release in any position. The large shelf supports the weight while putting no strain on the mag release lever. Can be used with the bolt group installed or removed and is compatible with our trigger testing block so you can use them at the same time! Ships quickly and FREE!