The AR15 M4 Ultimate Took Kit for is everything needed to disassemble and re-assemble both Uppers and Lowers.

The M4 AR-15 Ultimate Took Kit includes:
- Upper Receiver Block for AR-15
- Pro Series AR15 Barrel Wrench
- Pro Series AR Lower Receiver Wrench
- AR15/M4 A1 & A2 Front Sight Adjustment Tool
- AR15/M4 Handguard Removal Tool
- Magazine Well Lower Receiver Vice Block
- S5/64" steel punch - Gas Tube roll pin tool
- 3/32" steel punch - Bolt Catch roll pin tool
- 1/8" steel punch - Trigger Guard roll pin tool
- Mallet with nylon & brass ends and wooden handle
- 1/4" Hex screwdriver handle with 5 each 1/4" Hex driver tool bits: 3/16" Hex bit, Philips PH2 & PH3 bits, Flat head #6 & #7 bits
- Nylon Cleaning Brush with broad and narrow bristles brush heads
- Black plastic clam shell case with handle.