The Daniel Defense Collapsible Stock (brand part number 21-091-04179-011) gives an AR-platform rifle a lightweight, adjustable-length buttstock built to Daniel Defense’s Mil-Spec+ fitment. Sized to run on a mil-spec receiver extension tube, it lets a shooter shorten the stock for maneuvering in tight spaces or lengthen it for a proper cheek weld and length of pull behind an optic. At roughly 0.73 lb, it adds minimal weight to the rear of the rifle while giving the reliable, no-frills adjustment Daniel Defense builds are known for.

Key Specifications

• Built as a collapsible, adjustable-length stock.
• Sized for a mil-spec receiver extension tube.
• Weighs approximately 0.73 lb.
• Measures approximately 12.5 inches in length.

Frequently Asked Questions

What buffer tube does this fit? A mil-spec receiver extension tube.

How much does it weigh? Approximately 0.73 lb.

Buy the Daniel Defense Collapsible Stock – Mil-Spec+

Get a reliable, adjustable-length stock from a trusted AR-15 manufacturer. Order it from our Daniel Defense lineup, part of our AR15 stocks and forearms selection, at our Lubbock, Texas gun shop for fast, direct shipping.