Easily attach this adapter to the rear of your FX Impact M4 to use with a quick detach or straps for your sling. Only compatible with the FX Impact M4, not compatible with previous versions.
— Quick and Easy Attachment: Designed for fast and secure attachment to the rear of your FX Impact M4.
— High-Quality Construction: Made of 6061 Aluminum for durability and strength.
— Sleek Finish: Black anodized finish for a sleek look and additional protection.