This AR-15 sling and adapter plate are for AR15, M4 and Ruger AR-556 rifles. The Tactical Single Point Sling is designed to be fully adjustable with a flexible elastic bungee for comfort and an industrial steel carabineer to securely attach and quickly detach from your AR-15 rifle. The sling is made in the USA. The steel receiver sling plate is ambidextrous and accepts straps and metal hook slings. This sling adapter plate fits all standard AR15/M4 collapsible stocks using an AR style receiver plate.