Designed specifically for removing and replacing the front sight assembly on mil-spec AR-15 rifles, this tough polythylene block gives fitted support for driving the pins in and out of the front sight assembly. The block is clearly marked - one side for driving pins OUT, and the other side for driving pins IN. Block is milled to accommodate the sling swivel, and a provision for removing the gas tube roll pin is included. Orange, milled poly block is 4 inch in diameter and one - eleven sixteenths inch thick.
Sinclair, Issue:3B, Page:222