Funpowerland 2 Piece .223 5.56 Upper Mag Polymer Gunsmith Armorer Clamp Vice Vise Workbench Table Block
1.Constructed of Black Injection Molded Polymer.
2.Fits Both Carry & Flattop Uppers.
3.Locked Into The Users Table/Workbench.
4.Easy to use, the Block Lets you Tightly Clamp a Carry or Flattop in A Large Bench.
5.Holds Firm So You Can Work On Securely Without Scratching or Damaging the Finish for Effective Cleaning, Assembly, and Repair.