416 Stainless steel pins measure .154" in diameter. End retainers are black oxide. Connectors have a phosphate finish.
These pins will also protect your AR-15. Special anti creep retainers prevent wear on your irreplaceable M16 or AR-15 receiver. Pin installation tool and two Allen wrenches included. No modification to gun required.
There is no strength difference between the Gen 2 and Gen 2 Mod 2 sideplates. The only difference is cosmetic.