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.
Mounts on Mil-Spec sized carbine receiver extension tube (not included) from manufacturers such as Colt, Armalite, LMT, S&W, and others (please see the note below)
Storage compartment in tail of stock with positive latching access door on right hand side
WATER-RESISTANT STORAGE
Two water-resistant battery storage tubes located on the left and right sides of the stock. Each tube will store up to three CR123 lithium or two AA batteries and tubes are accessible from the rear via a tethered, hand-removable rubber plug
PLENTY OF CHEEK WELD
Sloping cheek weld provides a wide contact surface for user comfort
EXPORT NOTICE: This is an item controlled for export by the Export Administration Regulations (EAR) under the Commerce Control List (CCL). These controls take the form of export regulations and license requirements. As part of the express consideration provided for receipt of Magpul's goods, technical data and/or services, you, our customer, acknowledge that the export, re-export or other transfer, directly or indirectly, of the goods, technical data and/or services provided by Magpul in violation of U.S. law is prohibited. Customers acquiring controlled goods, technical data and/or services from Magpul shall be responsible for obtaining any necessary U.S. or other government authorization required to ensure compliance with applicable export laws. (See Magpul Compliance Notices page for more information).
WARNING: Observe safe firearm handling practices at all times. Failure to do so may result in serious bodily injury or death. Magpul Industries shall not be responsible for injury, death, or property damage resulting from faulty installation, misuse, illegal use, or modification of this product.
Technical Specifications
More Information
Collection
Collapsible Storage AR Stocks
Platform
AR10, AR15, M4, M16, M110, SR25
Compatibility
Mil-Spec sized carbine receiver extension tube (not included) from manufacturers such as Colt, Armalite, LMT, S&W, and others*
LOP, M4 Collapsed
~11.3 in.
LOP, M4 Extended
~14.6 in.
LOP Adjustment Range
3.3 in.
Length, max
7.9 in.
Height, max
5.2 in.
Weight
13.7 oz.
Weight, w/ receiver extension
~17.5 oz.
Width, max
2.6 in.
Width of Butt, max
1.7 in.
Other Specs
*NOTE: There are two basic sizes of M4 Carbine receiver extensions (buffer tubes): Mil-Spec and Commercial-Spec. The ACS Carbine Stock will only fit with the common Mil-Spec tube.
Specifications based on standard-length (flat-back) M4 Carbine receiver extension and may vary depending on tube manufacturer.
Friction lock performance may vary depending on the host receiver extension's dimensional tolerances.
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