Breakthrough Clean Technologies Vise Block with Pivot Lock, For AR15, Designed to Be Inserted in to Magwell

Breakthrough's AR15 Lower Vise Block is made from durable material which provides a solid surface to secure your AR15 in a vise. • Designed to Be Inserted in to Magwell • Securely Holds Firearm in Vise • Integrated Hammer Stop Tool • Included Pivot Lock to Ensure Easy Access