LBE Unlimited ARLPGB Low Profile Gas Block .750" Black Nitride 4142 Steel for AR-15 Bore Sighters and Arbors The #3933 has a basic

The #3933 has a basic output of 2500 lumens that becomes 5000 lumens with Turbo mode

Features a solid locking retention (audible and tactile "click" when securely holstered)

the Secret Agent is viable for a variety of utility purposes

It has Drive end for all MI free float barrel nuts - Including CRM

Made of high-carbon steel and using a chisel grind thats sharpened on a single side

LBE Unlimited ARLPGB Low Profile Gas Block .750" Black Nitride 4142 Steel for AR-15 Bore Sighters and Arbors The #3933 has a basicLBE's Low Profile Gas Block features a . 750" diameter and is made 4142 steel with a black nitride finish. It is compatible with your AR 15.