Magpul ACS-L Mil-Spec AR-15 Carbine Stock FDE
Magpul Industries
$85.45
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Magpul Industries
Magpul ACS-L Mil-Spec AR-15 Carbine Stock FDE
The Magpul ACS-L (Adaptable Carbine Stock – Light) in Flat Dark Earth is a precision-engineered mil-spec AR-15 buttstock that delivers a slimmer, lighter profile than the original ACS without sacrificing the storage utility or solid cheek weld that made it a favorite among carbine shooters.
- Drop-in fit on any mil-spec carbine receiver extension tube
- Center storage compartment keeps essentials accessible in the field
- Streamlined design sheds weight by removing side battery tubes
- Consistent, elevated cheek weld improves optic alignment and comfort
- Anti-slip rubber butt pad absorbs recoil and prevents shoulder migration
- Multiple sling attachment points support QD, single-point, and two-point setups
Who This Is For
The Magpul ACS-L is ideal for AR-15 owners who want a rugged, adjustable stock with practical on-board storage but prefer a trimmer, weight-conscious build over the full ACS. It suits competitive shooters, home defenders, and recreational carbine enthusiasts who run optics and need a repeatable cheek weld every time they shoulder the rifle.
Specifications
| Brand | Magpul Industries |
|---|---|
| Model | ACS-L (Adaptable Carbine Stock – Light) |
| Color / Finish | Flat Dark Earth (FDE) |
| Compatibility | AR-15 / M4 Mil-Spec Receiver Extension |
| Tube Size | Mil-Spec (1.148″ diameter) |
| Positions | 6-position adjustable |
| Storage | Center compartment (battery tubes removed) |
| Butt Pad | Anti-slip rubber |
| Sling Mounts | QD socket + rear loop provisions |
| Material | Reinforced polymer |
| Made In | USA |
Frequently Asked Questions
What is the difference between the Magpul ACS and the ACS-L?
The ACS-L is a lighter, slimmer version of the standard Magpul ACS. The primary difference is that the ACS-L removes the two side-mounted battery/storage tubes found on the original ACS, reducing overall bulk and weight while retaining the center storage compartment and the same elevated cheek weld platform. If you want the slimmest possible profile without losing core storage functionality, the ACS-L is the better choice.
Will the ACS-L fit my AR-15's buffer tube?
The Magpul ACS-L is designed specifically for mil-spec diameter receiver extension tubes (approximately 1.148″ outer diameter). It will not fit commercial-spec buffer tubes, which have a slightly larger diameter and angled back face. If you are unsure which spec your rifle uses, check your lower receiver manufacturer's documentation or measure the tube diameter before ordering.
What can I store in the ACS-L's center compartment?
The center storage compartment is sized to hold small essentials such as a CR123A or AA battery, a spare bolt firing pin, a small multi-tool, or folded cleaning patches. It provides quick access to critical backup items without adding external pouches or accessories to your rifle setup — a practical feature for both range days and field use.