SAG MK3 SLIM S20050 4-Slot M-LOK Chassis for AK

Name: SAG MK3 SLIM S20050 4-Slot M-LOK Chassis for AK
Brand: SAG (Sureshot Armament Group)
SKU: SAG-S20050
Price: 1349 USD
Availability: InStock

Brand: SAG (Sureshot Armament Group)

Product Code: SAG-S20050

Availability: In Stock

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In short: SAG MK3 SLIM S20050 is a four-slot M-LOK chassis for compatible AK platforms, with an RSB cutout, a continuous forward 1913 interface and a removable rear cover segment.

Compatibility checkpoint

Confirmed platform family: AK.
Handguard format: slim, four-slot M-LOK.
Rear-sight provision: RSB cutout preserves access to the original sight.
Specialist installation required: MA-136-02, MA-136C and MA-136-05.
Model: S20050.

Selection rule: Confirm the AK configuration and RSB-cutout requirement. The listed Molot Arms variants require workshop installation.

Purpose

The MK3 SLIM system combines a narrow M-LOK handguard with aligned 1913 top interfaces. The forward rail remains installed during routine partial disassembly, while the removable rear segment supports accessories that do not require retained alignment.

Technical specifications

Main chassis	High-strength aluminum alloy
Embedded and fastening elements	Steel
Handguard	Slim, four-slot M-LOK
Top interfaces	Forward 1913-MIL-STD monorail plus removable rear 1913 segment
Folding clearance	Compatible folding stock can close fully

What's in the box

Upper rail × 1
Lower handguard × 1
MK3 cover × 1
Gas tube and top clamp × set
Installation screws × set

Installation

Installation removes the original handguard ferrule and follows the SAG MK3/MK4 manual. MA-136-02, MA-136C and MA-136-05 configurations must be installed in a specialist workshop.

Frequently asked questions

Which platform family fits S20050?

S20050 is confirmed for compatible AK platforms, with separate specialist-installation requirements for the listed MA variants.

What does the RSB cutout provide?

It preserves access to the original rear sight while using the chassis top interfaces.

Does the forward rail remain installed for routine service?

Yes. The forward rail remains installed during routine partial disassembly.

Which models require specialist installation?

MA-136-02, MA-136C and MA-136-05 require installation in a specialist workshop.

SAG Specs

Construction Reusable MK3 SLIM chassis with RSB cutout and removable rear cover segment

Front Assembly Free-floating chassis architecture

Handguard Slim, four-slot M-LOK

Top Rail Forward 1913-MIL-STD monorail plus removable rear 1913 segment

General

Brand Sureshot Armament Group (SAG)

Manufacturer Part Number (MPN) SAG-S20050

Condition New

Intended Use Compatible AK platform family

Material High-strength aluminum alloy; steel embedded and fastening elements

Mounting & Rails

Mounting method Model-specific MK3 SLIM mounting geometry with RSB cutout

Rail Type Upper rail, lower handguard, MK3 cover, gas tube, top clamp and screws

Installation Original handguard ferrule removed; specialist installation for MA-136-02, MA-136C and MA-136-05

Kit Contents

Includes SAG MK3 SLIM S20050 chassis kit × 1

Care & Chemicals

Compatible platforms / hosts AK configurations with compatible MK3 SLIM mounting geometry

Required interface / configuration model-specific MK3 SLIM mounting geometry with rear-sight-base cutout

Resulting interface / function four-slot M-LOK handguard with aligned 1913-MIL-STD upper and detachable rear rail

Exclusions / limitations MA-136-02, MA-136C and MA-136-05 require specialist installation; full-rail variants without the rear-sight cutout use a different configuration

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