Introducing the RECCE SR-15/M4/AR-15 Carbine Stock by Reptilia. After more than two years of development and testing Reptilia is proud to announce the RECCE Stock for AR15/M4. 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 carbine-length receiver extension the RECCE stock is the ideal lightweight solution for the entire spectrum of AR-pattern guns from compact to precision.