The Badger Ordnance Tactical Bolt Knob provides additional leverage cycling the action, easier access to the bolt (especially great with gloved hands--remember when you botched that shot because you fumbled around trying to cycle your action?) It also increases the functional length of the bolt lever so you'll also never have to smash your thumb between the bolt knob and the scope! Badger Ordnance P/N: 306-31 (Black) also available in OD green, Tan, Red, Blue and Bright Green 

Badger Mini knob is also available for $100 installed

For $68 we will also thread the handle 5/16x24 to fit any customer supplied knob