These sleek, modern designs, are brand offering such features as a steel barrel nut, and machined anti-rotation tabs. Cut for weight reduction, this system still retains the utmost in robust construction and provides a Picatinny top rail mounting system and plenty of attachment points for all your M-Lok accessories.

• U.S. Made barrel nut
• Compatible with Magpul M-Lok accessories
• Works with low profile gas blocks
• Built-in anti rotation tabs
• Seven rows of M-Lok mounting surface for ultimate modularity
• 1913 rail meticulously engineered to be ultra light