Badger Tactical Bolt Knob:

Over sized bolt knob allows fast, easy access to bolt, even with gloved hands. No more holding the bolt handle with two fingers to pass the scope bell. The extra size and length gives unparalleled control of the bolt. Provides extra leverage for stuck rounds. 7075 T6 Aluminum alloy to keep the weight down and a Mil-spec Hardcoat anodized finish to last a life time.

Available in three colors:
Black
Tan
Olive Drab

Installation required.
P/N 306-31