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Magpul ACS Adaptable Carbine Stock (Mil-Spec)

  • Magpul ACS Adaptable Carbine Stock
  • Magpul ACS Stock
  • Magpul MAG370
  • Magpul ACS Buttstock
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  • Magpul Grey ACS Stock
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  • Magpul Flat Dark Earth ACS Stock
  • Magpul Black ACS Stock
  • Magpul OD Green ACS Stock

Magpul ACS Adaptable Carbine Stock (Mil-Spec)

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Calculated at checkout
$109.95 $89.95

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  • Compatible with all Mil-Spec dimension carbine receiver extension tubes (buffer tubes)
  • Sloping cheek weld provides a wide contact surface for user comfort
  • Two water-resistant battery storage tubes located on the left and right sides of the stock
  • Storage compartment in tail of stock with positive latching access door on right hand side supplemental friction lock minimizes accuracy robbing wobble
    • Each tube will store up to three CR123 lithium or two AA batteries
    • Tubes are accessible from the rear via a tethered, hand-removable rubber plug
  • Shielded release latch prevents snagging and accidental operation
  • Premium chrome-silicon lock spring provides positive locking and long service life
  • Replaceable 0.30" Rubber Butt-Pad offers an anti-slip surface and increases impact protection
  • Compatible with Magpul ASAP and other receiver-mount sling attachments
  • Sling Mounts
    • Mid - Now Includes the QD Swivel Sling Mount that fits up to 1.5" push-button swivels
    • Rear/Bottom - 1.00" sling loop


  • Weight: 0.88 lb.
  • Length: 7.95"
  • Width: 2.58"
  • Fit: Mil-Spec buffer tube


Thinking about replacing the buttstock to your AR15 carbine? If so, the Magpul ACS Adaptable Carbine Stock may be just the upgrade you’re looking for. This replacement AR15 stock is easy to install and mounts on Mil-Spec dimension receiver extension tubes (buffer tubes).

This carbine stock is designed for comfort as well as functionality. The Magpul ACS includes two side battery storage compartments for those times when your tactical flashlight or weapon light needs a little refreshment. These compartments can carry three CR123 batteries or two AA batteries each. The 0.3” rubber butt pad of this stock will not slip on your shoulder, whether you are arrayed in full combat gear, body armor or civilian clothes. The non-slip qualities of this stock make it especially ideal for military personnel and those employed in the police force. In the event that this pad is damaged, it can be easily replaced.

This high-quality AR-15 carbine stock features a sloping cheek weld to help the shooter properly position the rifle before firing. The wide cheek weld is comfortable and conducive to proper shooting stance. For those of you who use receiver-mount sling attachments, the Magpul ACS features a QD swivel sling mount.

The Magpul ACS Adaptable Carbine Stock comes in: Black, Flat Dark Earth, OD Green, and Stealth Grey.

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  1. first time used 4 Star Review

    Posted by on 23rd Mar 2015

    This is the first time I have used this stock. It installs quick and has a good tight fit. I like the retention to the slide lever restricting accidental movement of the stock.

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