The UTG Medium Profile Scope Rings are crafted from durable aircraft aluminum alloy with a steel locking plate ensuring robust strength and reliable zero retention. Designed for use with Picatinny rails these rings feature a convenient QD twist-lock mechanism for swift installation. Their see-through tunnel and slot-cut design reduce weight without compromising durability while the synthetic protective tape inside safeguards your scope. With a precise and secure fit these rings are perfect for both tactical and precision shooting applications.