Daniel Defense Collapsible Mil-Spec AR-15 Buttstock Brown

Daniel Defense
MPN:
21-091-04179-011
UPC:
815604016056
$88.69
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The Daniel Defense Collapsible Mil-Spec AR-15 Buttstock in Brown delivers a rock-solid, precision fit for Mil-Spec receiver extensions, combining glass-infused polymer construction with strategic rubber overmolding for a durable, comfortable, and repeatable shooting experience.

  • Precision-formed for Mil-Spec extensions with minimal forward or lateral play
  • Proprietary glass-infused polymer blend offers superior strength and rigidity
  • Soft-touch rubber overmolding provides secure grip and comfortable cheek weld
  • No tensioning device or friction lock required — fit is tight out of the box
  • Includes two interchangeable butt pads: convex 0.8" and a thinner flat profile
  • Can be run without any butt pad for a fully custom length-of-pull configuration

Who This Is For

This buttstock is ideal for AR-15 owners, competitive shooters, and tactical users who demand a precise, wobble-free fit without aftermarket adapters or shimming. Whether you're building a duty rifle, a range gun, or a home-defense AR, the Daniel Defense Collapsible Mil-Spec Buttstock in Brown offers a rugged upgrade over standard mil-spec stocks while complementing FDE and earth-tone rifle builds.

Daniel Defense Collapsible Mil-Spec AR-15 Buttstock in Brown – side profile view Daniel Defense Brown AR-15 Buttstock showing rubber overmolding and butt pad detail

Specifications

Brand Daniel Defense
Color / Finish Brown (FDE)
Material Glass-Infused Polymer with Rubber Overmolding
Compatible Extension Mil-Spec Receiver Extension (Carbine)
Butt Pad Options Convex 0.8", Thin Flat Profile, or No Pad
Positions 6-Position Collapsible
Tensioning Device Required No
Platform AR-15
Country of Origin USA

Frequently Asked Questions

Will this buttstock fit my mil-spec AR-15 buffer tube?

Yes — the Daniel Defense Collapsible Buttstock is specifically precision-formed for standard Mil-Spec diameter receiver extensions (carbine buffer tubes). It is not compatible with commercial-spec buffer tubes, which have a slightly larger, angled diameter. If you're unsure which spec your rifle uses, check your lower receiver or existing stock documentation before purchasing.

Do I need to buy additional butt pads separately?

No. This buttstock ships with two butt pads included — a thicker convex-shaped pad (0.8") and a thinner flat-profile pad — so you can dial in your preferred length of pull right out of the box. You can also run it pad-free for the shortest possible pull, making it highly versatile for shooters wearing body armor or other tactical gear.

How does this stock compare to a standard GI mil-spec stock?

Standard GI-style carbine stocks often have noticeable lateral and forward wobble on the buffer tube, which can affect cheek weld consistency and overall feel. The Daniel Defense Collapsible Buttstock is machined to tighter tolerances, effectively eliminating that slop without needing shims, tape, or friction locks. The added rubber overmolding also provides a more ergonomic feel and better cheek weld compared to bare polymer GI stocks.