The strike industries ar mil-spec buffer housing gives the user a cost-effective means of customization while retaining functionality.The ar-15 buffer is often an overlooked part of the gas system that is needed to properly fine-tune your specific setup.This buffer housing is machined from 6061-t6 aluminum and designed to fit mil-spec standard or carbine length receiver extensions/buffer tubes while also providing a level of customization.Material: AluminumFinish: Red Hardcoat Anodized