Amend2 Modular Stock. Unlimited options. The Amend2 Modular Stock (AMS) provides users with a one stop shop for mission configurable stock accessories. Whether you need battery storage a small compartment for your field notes on-board cleaning kit or an ultra light minimalist stock the AMS can be configured to fit your mission requirements. Specifications for Amend2 Modular Stock: Manufacturer: Amend2 Color: Gray Buffer Tube Size: Mil-Spec Gun Model: AR-15 Additional Features: Stock Gun Make: AR Platform Handle Color: Gray Features of Amend2 Modular Stock: High strength polymer construction with steel hardware Package Contents: Amend2 Modular Stock What firearm models does the manufacturer say Amend2 Modular Stock is compatible with? The manufacturer suggests that Amend2 Modular Stock is compatible with AR-15