Made for the VEPR 12 Shotgun. The Chaos V12L Apollo KEYMOD Rail is manufactured to the highest standards in the industry. This is a rugged yet lightweight KEYMOD rail system. The KEYMOD Rail Forends & Systems are made from aircraft grade 6061 Aluminum Alloy. Hard coat military specification MILITARY SPECIFICATION MIL-A-8625 or (Type III Hard anodized, Non-Reflective).(May require some file fitting).