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Magpul Industries ACS-L Mil-Spec Lightweight AR-15/M4 Carbine Stock Up to 26% Off w/ Free S&H — 5 models

Special offer available for this product. Click here to see!
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Gray, MAG378GRY
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Black MAG378BLK
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, OD Green MAG378OD
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Black MAG378BLK
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Black MAG378BLK
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Black MAG378BLK
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Gray, MAG378GRY
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Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Gray, MAG378GRY
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE
2 of 12 images
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Black MAG378BLK
3 of 12 images
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Black MAG378BLK
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, OD Green MAG378OD
4 of 12 images
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, OD Green MAG378OD
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Black MAG378BLK
5 of 12 images
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Black MAG378BLK
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE
6 of 12 images
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE
7 of 12 images
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE
8 of 12 images
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE
9 of 12 images
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE
10 of 12 images
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Black MAG378BLK
11 of 12 images
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Black MAG378BLK
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Black MAG378BLK
12 of 12 images
Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Black MAG378BLK

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Questions & Answers
will this fit Aero Precision M5 .308? Expert Answer

The Magpul Industries ACS-L Mil-Spec Lightweight AR-15/M4 Carbine Stock will fit your Aero Precision M5 as long as you have a carbine length milspec buffer tube equipped.

by Ethan, Gear Expert, November 1, 2022
will this fit a bushmaster patrolman Expert Answer

The Magpul Industries ACS-L Mil-Spec Lightweight AR-15/M4 Carbine Stock fits Mil-Spec carbine length buffer tubes. So it will fit a Bushmaster Patrolman.

by Hunter, Gear Expert, April 27, 2022
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Great fit and comfortable by DanDaMan, June 29, 2020
Installed on my AR10 and added the thicker recoil pad. I get a better area for cheek weld compared to the MOE stock that came with it. Makes for more enjoyable shooting. The storage compartment is great for small parts like extra gas rings and eve...
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2/2 found this helpful
Helpful Positive Review
Great Stock by Dizz, November 23, 2017
This stock fits very snug on your buffer tube without using the locking lever. There is not any wobble on mine at all. It gives you a good cheek weld and does not pull beard hairs like my MOE stock does. Love the color.
1/2 found this helpful
Helpful Positive Review
Magpul ACS-L rifle stock by mixtli, May 20, 2018
I have always liked Magpul products. I intended to acquire an ACS stock, however, I ran across the lightweight version (ACS-L), tried it and decided it fits the bill better than the heavier model. Now that I have had it for a while I am very happy wi...
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4/4 found this helpful
Helpful Positive Review
Excellent AR stock by Wisco Guy, Verified Owner, November 18, 2020
I purchased this Magpul ACS Stock to replace the cheap factory stock that came with my AR-10. So much better! Reasons for selecting this stock over many others include: generous cheek weld, made from high quality materials, a small storage compartmen...
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1/1 found this helpful
Helpful Positive Review
Very stable! by Gabe H, June 11, 2018
I love this stock! It’s very light and stable. I also like the storage compartment for my earplugs and mini tools, or coins, for adjusting the attachments on my gun. I had done the research on this stock beforehand, but I was still wary on the possib...
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1/1 found this helpful
Helpful Positive Review
Love Magpul by Dan, Verified Owner, May 30, 2020
Installed on my AR10. I love the cheek weld I get with this stock. I also replaced the butt pad with a thicker one, so the recoil is better. I stored extra gas rings and a cleaning cloth for the Vortex scope mounted on it. A little heavier than o...
Read More...
1/1 found this helpful
Read All 60 Reviews
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Product Info for Magpul Industries ACS-L Mil-Spec Lightweight AR-15/M4 Carbine Stock

Magpul Industries ACS-L Lightweight Rifle Stocks install easily on Mil-Spec sized carbine receivers from a variety of manufacturers. These lightweight AR15 Stocks from Magpul Industries are drop-in stock replacements that include storage space in the tail of the stock. Magpul Industries ACS-L Mil-Spec Carbine Stocks have a sloping cheek weld for a slim profile and more comfortable stance along with a rubber butt pad to increase impact protection. Add maneuverability to your to your AR with the Magpul Industries ACS-L Carbine Rifle Stock.image

Specifications for Magpul Industries ACS-L Mil-Spec Lightweight AR-15/M4 Carbine Stock:

Manufacturer: Magpul Industries
Gun Model: M4, AR-15
Gun Type: Rifle
Weight: 16.5 oz
Length: 8 in
Buffer Tube Size: Mil-Spec
Fabric/Material: Polymer

Features of Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Black MAG378BLK:

  • Mounts on mil-spec sized carbine receiver extension tube not included from manufacturers such as Colt, Armalite, S&W, LMT, and others please see the note below
  • Sloping cheek weld provides a wide contact surface for user comfort
  • Storage compartment in tail of stock with positive latching access door on right hand side
  • Supplemental friction lock minimizes accuracy robbing wobble*
  • Shielded release latch prevents snagging and accidental operation
  • Premium chrome-silicon lock spring provides positive locking and long service life
  • Replaceable 0.30 in Rubber Butt-Pad offers an anti-slip surface and increases impact protection
  • 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 in push-button swivels swivel not included
  • Rear/Bottom - 1.00 in sling loop
  • 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, make sure to order the Commercial-Spec ACS-L.

Package Contents:

  • Magpul Industries ACS-L Lightweight Rifle Stock, AR15/M4, 55-RSC-MACSLMS

What firearm models does the manufacturer say Magpul Industries ACS-L Mil-Spec Lightweight AR-15/M4 Carbine Stock is compatible with?

The manufacturer says that Magpul Industries ACS-L Mil-Spec Lightweight AR-15/M4 Carbine Stock is compatible with AR-15, M4

Magpul Industries ACS-L Mil-Spec Lightweight AR-15/M4 Carbine Stock Orderable Models

List of Orderable Models

  • Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Gray, MAG378GRY , MPN: MAG378GRY , UPC: 873750011585 , Code: 55-BSC-MACSLMS-MAG378GRY
  • USED, Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, OD Green MAG378OD , MPN: MAG378-OD-EDEMO , Code: 55-BSC-MACSLMS-MAG378OD-EDEMO-IN-B
  • Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, OD Green MAG378OD , MPN: MAG378-OD , UPC: 873750006345 , Code: 55-BSC-MACSLMS-MAG378OD
  • Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE , MPN: MAG378-FDE , UPC: 873750006321 , Code: 55-BSC-MACSLMS-MAG378FDE
  • Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Black MAG378BLK , MPN: MAG378-BLK , UPC: 873750006314 , Code: 55-BSC-MACSLMS-MAG378BLK

Magpul Industries ACS-L Mil-Spec Lightweight AR-15/M4 Carbine Stock Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Black MAG378BLK , MPN: MAG378-BLK-EDEMO , Code: 55-BSC-MACSLMS-MAG378BLK-EDEMO-IN-B
  • USED, Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, OD Green MAG378OD , MPN: MAG378-OD-EDEMO , Code: 55-BSC-MACSLMS-MAG378OD-EDEMO-IN-C
  • USED, Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, OD Green MAG378OD , MPN: MAG378-OD-EDEMO , Code: 55-BSC-MACSLMS-MAG378OD-EDEMO-OB-A
  • USED, Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE , MPN: MAG378-FDE-EDEMO , Code: 55-BSC-MACSLMS-MAG378FDE-EDEMO-RE-B
  • USED Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Flat Dark Earth MAG378FDE, EDEMO1, Used, Condition Fair , MPN: MAG378-FDE-EDEMO1 , Code: 55-BSC-MACSLMS-MAG378FDE-EDEMO1
  • USED Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Black MAG378BLK, EDEMO11, Used, Condition Like New , MPN: MAG378-BLK-EDEMO11 , Code: 55-BSC-MACSLMS-MAG378BLK-EDEMO11
  • USED, Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Black MAG378BLK , MPN: MAG378-BLK-EDEMO , Code: 55-BSC-MACSLMS-MAG378BLK-EDEMO-SC-D
  • USED Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Black MAG378BLK, EDEMO15, Used, Condition Good , MPN: MAG378-BLK-EDEMO15 , Code: 55-BSC-MACSLMS-MAG378BLK-EDEMO15
  • Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Foliage Green MAG378FOL , MPN: MAG378-FOL , Code: 55-BSC-MACSLMS-MAG378FOL
  • USED Magpul Industries ACS-L Rifle Stock, Lightweight, Fits AR-15/M-16, Mil-Spec, Black MAG378BLK, EDEMO14, Used, Condition Fair , MPN: MAG378-BLK-EDEMO14 , Code: 55-BSC-MACSLMS-MAG378BLK-EDEMO14
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