The Fortis Hammer™ charging handle is machined from 7075 T6 Billet aluminum. The robust design as well as aggressive serrations on the latch and body support use with either shooting gloves or without. Finished in Nickelene™: Rockwell hardness - 45C, low co-efficient of friction, excellent lubricity characteristics. The charging handle is 1.5 oz in weight, yet extremely durable.