JE Machine Tech Featureless Stock Pin Kit w/Punch Tool Magpul CA Compliant Black. Install Steps: Step 1: Set stock to desired position Step 2: Remove friction lock roll pin (if equipped) Step 3: Remove friction lock Step 4: Remove roll pin for adjustment assembly Step 5: Remove spring Step 6: Install locking pin Step 7: Align hole for roll pin (using small Allen wrench to chase hole) Step 8: Re-install adjustment assembly roll pin Step 9: Re-install friction lock Step 10: Re-install friction lock roll pin Specifications for JE Machine Tech Featureless Stock Pin Kit w/Punch Tool Magpul: Manufacturer: JE Machine Tech Color: Black Included Accessories: Punch Tool Features of JE Machine Tech Featureless Stock Pin Kit w/Punch Tool Magpul: Designed to fit all COLLAPSIBLE Magpul Stocks Excludes A2 Stocks: Magpul UBR & Magpul PRS CA Compliant Featureless adaptor Package Contents: JE Machine Tech Featureless Stock Pin Kit w/Punch Tool Magpul JE Machine Tech PS-GT46: Featureless CA Compliant Magpul Stock Pin Kit w/Punch Tool Black