Magpul Flat Dark Earth ACS Carbine Stock, Mil-Spec - MAG370-FDE

The Magpul ACS (Adaptable Carbine/Storage) - Mil-Spec model is a drop-in replacement buttstock for AR15/M4 carbines using Mil-Spec sized receiver extension tubes. Dual, rear accessible, water-resistant battery storage tubes and an integral storage compartment in the butt of the stock provides multiple storage options.

Similar to the Magpul CTR®, the ACS also features an anti-snag release latch to prevent accidental activation along with a supplemental friction lock system that minimizes excessive stock movement for enhanced weapon stability and accuracy*. The ACS comes standard with a 0.30" thick rubber butt-pad which provides positive shoulder purchase to prevent slippage even with body armor or modular gear.

Made in the USA.

Product Features:

• AR Stock With Storage
• Storage Compartment In Tail Of Stock With positive Latching Access Door On Right Hand Side
• (2) Water-Resistant Storage Tubes Located on the Left and Right Sides of the Stock.
• Each Tube Will Store up to (3) CR123 Lithium or (2) AA batteries
• Tubes Are Accessible From the Rear via a Tethered, Hand-Removable Rubber Plug
• Sloping Cheek Weld Provides a Wide Contact Surface for User Comfort
• Shielded Release Latch
• Anti-Slip Rubber Butt-Pad
• Premium Chrome-Silicon Lock Spring Provides Positive Locking and Long Service Life 
• Compatible With Magpul ASAP, ASAP QD, and Other Receiver-Mount Sling Attachments
• Sling Mounts: Mid - Included Reversible Sling Mount Kit - Type 3 Fits up to 1.5" Push-Button Swivels(Swivel Not Included) 
• Sling Mounts: Rear/Bottom - 1" Sling Loop
• Length, Max: 8"
• Weight: 14.1oz
• Length Of Pull, M4 Collapsed: 11.6"
• Length Of Pull, M4 Extended: 14.9"
• Length Of Pull Adjustment: 3.3"
• Platform: AR10, AR15, M4, M16, M110, SR25
• Compatibility: Mil-Spec Sized Carbine Receiver Extension Tube(Not Included) From Manufacturers Such As Colt, Armalite, LMT, Smith & Wesson, and Others

* Friction lock performance may vary depending on the host receiver extension's dimensional tolerances.

** Specifications based on standard-length (flat-back) M4 Carbine receiver extension and may vary depending on tube manufacturer.

NOTE: There are two basic sizes of M4 Carbine receiver extensions (buffer tubes): Mil-Spec and Commercial-Spec. If you have a Commercial-Spec extension on your rifle you will need to swap it over to a Mil-Spec size tube to utilize this stock.