The EBR chassis system is accessible for M1A/M14, M1 Garand, and Mini fourteen rifles, that includes a machined aluminum system with an anodized end for enhanced precision and reliability. Its rigidity decreases vibration for amplified eye relief and sight radius, and greater mount positions that improve eye relief/sight radius. Reviewed https://milobozir.yomoblog.com/38200600/what-does-sage-ebr-mini-14-mean