Reptilia RECC-E, Rifle Stock, Fits AR Buffer Tube, Black, Includes Receiver Extension 100-141 Introducing the RECCE Carbine Stock by Reptilia! After more than two years of development and testing" Reptilia is proud to announce the RECCE Stock for AR15/M16 and AR10/SR25 pattern rifles. Designed at the request of a military end user" the RECCE Stock features a constant cheek weld" ambidextrous QD sling attachment points" rubber buttpad" and a modular design that allows usage of a standard AR15 carbine buffer system" or A5/SR25 carbine buffer system by replacing the receiver extension (buffer tube) and forward portion of the stock. Weighing only 12.0 ounces including the proprietary AR15-length receiver extension" the RECCE stock is the ideal lightweight solution for the entire spectrum of AR-pattern guns from compact to precision.