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Magpul

Magpul Stock MOE SL-S Collapsible Mil-Spec Diameter AR-15 LR-308 FDE

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Collapsible Direct

Replacement buttstock for AR15/M4 carbines

Storage-capable Design

Dual-side release latches and waterproof

O-ring Sealed

Storage area rated for 10m

Enhanced Cheek

Weld and a more upright

Rolled Toe

Angled rubber butt-pad designed for

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SKU: MPIMAG653-FDE-840815109563

Overview

Built as a direct replacement buttstock for AR-15/M4 carbines and compatible with AR-10/LR-308 platforms, this collapsible stock combines a compact profile with integrated storage for batteries or other small essentials. Its dual-side release latches, O-ring sealed storage area, and ambidextrous QD sling swivel socket support a streamlined setup for hunters and shooters who want a clean, adaptable rifle configuration. The enhanced cheek weld, rolled toe, and angled rubber butt-pad are intended to improve comfort and control, especially when used with body armor. With a mil-spec fit and polymer construction, it offers a practical option for those prioritizing a narrow, storage-capable stock without added bulk.

Why Hunters Choose the Magpul

Storage-capable Design

Adds integrated battery tubes for

Dual-side Release

Latches support easy operation from

O-ring Sealed

Storage area is rated waterproof

Enhanced Cheek

Weld and narrow profile help

Rolled Toe

Angled rubber butt-pad are optimized

Key Features

  • Collapsible direct replacement buttstock for AR15/M4 carbines and AR-10/LR-308 platforms.
  • Storage-capable design with dual-side release latches and waterproof battery tubes.
  • O-ring sealed storage area rated for 10m waterproof protection.
  • Enhanced cheek weld and a more upright head position in a compact profile.
  • Rolled toe and angled rubber butt-pad designed for use with body armor.
  • Ambidextrous QD sling swivel socket included.
  • Fits mil-spec receiver extensions with a leaf-spring tension system.

Best Used For

  • Hunters running AR-15 or LR-308 setups who want a collapsible stock with onboard storage
  • Users needing a compact stock profile that helps keep the rifle streamlined in the field
  • Shooters who prefer an enhanced cheek weld and a more upright head position
  • Those using body armor and wanting a stock with a rolled toe and angled rubber butt-pad
  • Left- or right-handed shooters who want an ambidextrous QD sling swivel socket

Specifications

Butt PadAngled rubber butt-pad
Cheek WeldEnhanced cheek weld
ColorFDE
Compatible WithAR-10, LR-308
Country Of OriginUnited States Of America
Fixed Or CollapsibleCollapsible
Length Collapsed11.3 Inches
Length Extended14.6 Inches
MaterialPolymer
Mil Spec Or CommercialMil-Spec
Qd Sling Swivel SocketAmbidextrous QD sling swivel socket
Receiver Extension FitMil-spec receiver extensions
Release LatchesDual-side release latches
Storage CapabilityYes
Tension SystemLeaf-spring tension system
Waterproof Storage10m waterproof storage area

Pros

  • Storage-capable design adds integrated battery tubes for convenient on-stock storage
  • Dual-side release latches support easy operation from either side
  • O-ring sealed storage area is rated waterproof to 10 meters
  • Enhanced cheek weld and narrow profile help maintain a more upright head position
  • Rolled toe and angled rubber butt-pad are optimized for use with body armor
  • Includes an ambidextrous QD sling swivel socket for versatile sling attachment

Considerations & Trade-offs

  • Storage tubes add capability, but they also make this stock more complex than a non-storage design.
  • The fit is limited to mil-spec receiver extensions, so it is not a universal replacement for every AR platform setup.
  • Its compact profile is intended to minimize bulk, which may leave less room than larger stocks for carrying accessories or gear.
  • The design is optimized for a more upright head position and body-armor use, so it may not suit every shooting setup or preference.

Suggested Comparisons

  • AR-15/M4 collapsible stocks
  • Mil-spec receiver extension stocks
  • Storage-capable rifle stocks
  • Ambidextrous sling-ready stocks

Suggested Accessories

  • Sling swivel
  • QD sling mount
  • Battery storage tubes
  • Rifle stock cheek riser

Frequently Asked Questions

Is the Magpul MOE SL-S compatible with my rifle?

The provided specifications list it as compatible with AR-10 and LR-308 platforms, and the product title identifies it as a mil-spec diameter AR-15/LR-308 stock. It is described as a direct replacement buttstock for AR15/M4 carbines.

Does this stock have storage for batteries or small items?

Yes. The MOE SL-S is the storage-capable version of the MOE SL stock and includes waterproof battery tubes and an O-ring sealed storage area.

Is the storage area waterproof?

The description states that the storage area is true, O-ring sealed, and waterproof to 10 meters.

Is the stock collapsible?

Yes. The specifications list it as collapsible, with a collapsed length of 11.3 inches and an extended length of 14.6 inches.

What mounting or sling features does it include?

The description says it includes an ambidextrous QD sling swivel socket.