Our Newly designed machined rear stock offers a slimmer design with a 10/32 threaded hole on each side to mount a sling stud. We include 1 sling stud with purchase of this stock that can be un threaded and installed on either side. It has two holes for modular mounting, similar to an ACE type mount. Works with our flat mount folding adapters and all of our Flat Mount Rear Stock adapters. Stock is about 8.5" in length and weighs about 14 ounces. Machined aluminum and finished in flat black anodize.