MFT Evolv Battle Stock Attachment E2BSA maximizes your combat potential to the fullest. The E-Volv Battle Stock Attachment from Mission First Tactical adds new storage capability and extended function from your standard collapsible stock. The MFT E-Volv E2BSA adds a cheek weld for enhancing your accuracy, plus watertight battery storage. This stock add-on is built for maximum strength, giving it the resilience to stand up to the worst combat scenarios. The battle stock attachment and other MFT gun stock parts give you the edge needed to be on your toes when it matters most.