3 Combo M4/AR15 223/556 Upper & Lower Vise Block & Wrench Armorer's Tool Kit

223 Lower Receiver Vise Block

1. Allows safe mounting of the lower receiver into a vise

2. Perfect for cleaning, service, or weapon assembly

3. Fits into magazine housing from either the top or bottom

4. Magazine catch securely locks the receiver to the block

5. Will not distort or damage the receiver

6. Solvent resistant polymer construction

223 Upper Receiver Vise Block

1. Allows safe clamping of upper receiver into a vise

2. Perfect for repair, service, or weapon assembly

3. Will not crush, distort, or mar the receiver

4. Solvent resistant polymer construction

223 Stock Combo Wrench

1. Removal and installation 556/223 barrels

2. Install and disassemble free float tubes, barrel nut

3. Receiver tube stock nut wrench old style 1 point

4. tube stock castle nut wrench new style 3 point

5. A1/A2 flash hider slot/receiver extensions

6. Flat head tip screw driver for A2 butt stock

7. Made of 4140 powder coated steel