Find it @ Optics Planet (Click Here)

New from Midwest Industries, the fixed 1913 interface to AR Buffer Tube Adaptor. This small but mighty addition allows you to attach a Mil-Spec buffer tube to your next build! Constructed from 6061 aluminum, this clean and compact design only weighs in at 2.4oz!

• Super easy installation
• Constructed from hard coat anodized 6061 aluminum
• Allows for attachment of Mil-Spec Buffer Tube
• Super clean, compact design
• Overall Length: 2 inches
• Weight: 2.4 oz.
• 100% made in the USA