Brownells BRN AR-15 Mil-Spec Collapsible Stock Assembly

The Brownells BRN AR-15 Mil-Spec Collapsible Stock Assembly is a complete, ready-to-install stock system designed to meet military specifications. This black finish assembly provides the classic M4-style adjustable stock configuration favored by military, law enforcement, and civilian shooters.

Complete Mil-Spec Stock System

This stock assembly includes everything needed to upgrade or replace the rear stock on an AR-15 rifle. The kit features a durable polymer collapsible stock, a Mil-Spec diameter buffer tube, carbine buffer, carbine recoil spring, and castle nut. Built to Mil-Spec dimensions, it ensures compatibility with standard AR-15 lower receivers and provides reliable, smooth operation when adjusting stock length.

Key Features of the Brownells BRN AR-15 Mil-Spec Stock Assembly

• Mil-Spec diameter buffer tube for proper fit and function
• 6-position adjustable collapsible stock
• Includes carbine buffer and recoil spring
• Durable polymer stock with textured cheek weld
• Matte black finish for a professional appearance
• Model: NONE

Ideal Applications

This stock assembly is ideal for building or upgrading AR-15 rifles where a traditional Mil-Spec collapsible stock is desired. It is commonly used in tactical builds, home defense rifles, competition guns, and general-purpose AR-15s. The Mil-Spec dimensions make it a direct replacement for worn or damaged factory stocks on M4-style rifles.

Why Choose Brownells AR-15 Components?

When searching for an AR-15 Mil-Spec Stock, AR-15 Collapsible Stock Assembly, or M4 Stock Kit, this complete assembly stands out for its quality construction and value. Brownells is a trusted name in the firearms industry, known for offering reliable AR-15 components that meet the needs of serious shooters and builders.

Upgrade your AR-15 with the Brownells BRN Mil-Spec Collapsible Stock Assembly.