Midwest Industries Heavy Duty QD Front Sling Adapter Midwest Industries is a quality manufacturer of tactical weapons accessories. Their goal is to manufacture the highest quality parts at affordable prices backed by a lifetime guarantee. The Heavy Duty Quick Detach Front Sling Adapter attaches to any Picatinny rail and features a QD loop sling swivel. The adapter includes a heavy duty 1 ¼” QD push-button sling swivel. Features: Accepts up to 1 ¼” slings 6061 aluminum Hardcoat anodized Weight: 1.6 oz