Area 419 Remington Finger Grove Bolt Knob Type 3 Hard Anodized Black. This Bolt Knob by Area 419 has a finger groove that allows you to manipulate the bolt with just your pointer finger without searching for the ideal position each time. The Area 419 Remington Finger Grove Bolt Knob has two knurled surfaces located on either side of the groove to give a sure grip. This Area 419 Rifle Bolt Knob has an anodized finish that prevents rusting. For a great way to improve your already amazing firearm choose the Area 419 Finger Groove Bolt Knob. Specifications for Area 419 Remington Finger Grove Bolt Knob: Manufacturer: Area 419 Fabric/Material: Aluminum Finish: Anodized Condition: New Gun Make: Remington Gun Model: Remington Model 700 Color: Black Hand: Ambidextrous Country of Origin: USA Weight: 0.2 lb Quantity: 1 Package Contents: Area 419 Remington Finger Grove Bolt Knob What firearm models does the manufacturer say Area 419 Remington Finger Grove Bolt Knob is compatible with? The manufacturer says that Area 419 Remington Finger Grove Bolt Knob is compatible with Remington Model 700Area 419 419-KNOB-REM: Remington Finger Grove Bolt Knob Type 3 Hard Anodized Black