Ergo 4010BK Ergo 2 AR Grip Made of Suregrip Rubber With Black Textured Finish for AR-15, AR-10 Cameras A density of 18 g/cc

A density of 18 g/cc makes a smaller shot size viable over what you'd choose in lead

and have an auto shut-off feature

designed to keep from snagging when shouldering the rifle

as well as allowing the location of the lever to be indexed once the rings are affixed to the bases

Ergo 4010BK Ergo 2 AR Grip Made of Suregrip Rubber With Black Textured Finish for AR-15, AR-10 Cameras A density of 18 g/ccSmooth textured finger grooves. Integral rear upper extension supports the web of your hand. Superior textured finishes minimize slippage even while wearing gloves. Patented Gapper also included. Right hand model has built in thumb shelf.