The Aim Sports kit comes with everything you need to assemble a lower receiver and install the barrel on a stripped upper for both M4 and M16 pattern rifles. Contains- AR lower receiver vice block, AR upper receiver vice block, AR15/M4/M16 Armorer's wrench and A1 & A2 front sight tool.
Specifications:

Type	Armorers
Material	Plastic/Steel
Dimensions	4.9" x 4.5" x 12.5"
Bit Type	N/A
Weight Capacity
Gun Type	AR-Style Rifles
Gun Model	AR-15
Gun Caliber	223 Remington
Weight
Length
No. of Pieces	4
Combo Type
Edge Type
Handle Description	Metal
Steel Type