The Magpul ACS-L (Adaptable Carbine Stock – Light) is a drop-in replacement buttstock designed for AR-15/M4 carbines that use mil-spec sized receiver extension tubes. This streamlined version retains the ACS center storage compartment and cheek weld while removing battery tubes for a slimmer, lighter profile. The stock is constructed in OD Green polymer and offers collapsible adjustment to suit a variety of shooting positions. Note: the receiver extension tube is not included.
Key Specifications
- The receiver extension tube is listed as No.
- The adjustment type is Collapsible for adaptable length of pull.
- Includes an Integral Storage Compartment for small item storage.
- The finish is OD Green for subdued appearance.
- The stock is specified for AR-15 platforms.
- The length of pull is listed as 11.60″-14.90″.
- The material is Polymer for lightweight durability.
- It offers 6 positions for adjustable fit.
- The fit is specified as AR-15.
- The model is ACS-L.
The ACS-L combines practical storage, reliable mil‑spec compatibility, and a reduced-profile design to serve range use, training, and general-purpose carbine applications. Its lightweight polymer construction and six-position adjustment let users tailor length of pull without adding bulk, while the integral storage compartment keeps small essentials secure. For those seeking a straightforward, functional replacement buttstock in OD Green, the ACS-L delivers a clean balance of utility and fit.
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