The Strong Arm Mount with Rangcraft Adapter gives you direct MLOK mounting so your ARCA rail stays clear for other gear. You get a precise fit and a rugged body made from 6061 T6 aluminum. The design includes vibration-dampening isolation for stable performance during use. The included Rangcraft Adapter locks into the mount for a solid interface with your accessories. You also get 1/4-20 tripod compatibility, which gives you more setup options. This system installs quickly, stays secure, and improves how you run your rifle and support equipment.