AIM Sports Inc AMS Mil-Spec Stock - Advanced Modular Stock Black Medium. A removable rubber butt pad enables variation in length of pull as well as a separate component at the toe of the stock which can be removed to create less surface area at the shoulder to facilitate a more comfortable fit while wearing modern gear. Fully adjustable and ready for use with modern slings there is no mission that their AMS cannot accomplish. Specifications for AIM Sports Inc AMS Mil-Spec Stock - Advanced Modular Stock: Manufacturer: AIM Sports Inc Color: Black Gun Model: AR-15 Gun Type: Rifle Country of Origin: USA Features of AIM Sports Inc AMS Mil-Spec Stock - Advanced Modular Stock Collapsible to 6 lengths while in the shooting position Removable lower portion allows for reduced size and weight or installation of optional metal strike plate Engineered to be California compliant with the insertion of a single roll pin Built-in anti rotation tabs Ambidextrous single Magpul QD sling mount attachment point Two standard sling attachment points Package Contents: AIM Sports Inc AMS Mil-Spec Stock - Advanced Modular Stock What firearm models does the manufacturer say AIM Sports Inc AMS Mil-Spec Stock - Advanced Modular Stock is compatible with? The manufacturer says that AIM Sports Inc AMS Mil-Spec Stock - Advanced Modular Stock is compatible with AR-15AIM Sports Inc ARAMS01: AMS Mil-Spec Stock - Advanced Modular Stock Black Medium