SAG MK3 SLIM S20048 4-Slot Full-Rail Chassis for AK

Name: SAG MK3 SLIM S20048 4-Slot Full-Rail Chassis for AK
Brand: SAG (Sureshot Armament Group)
SKU: SAG-S20048
Price: 1399 USD
Availability: InStock

Brand: SAG (Sureshot Armament Group)

Product Code: SAG-S20048

Availability: In Stock

$1 399

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In short: SAG MK3 SLIM S20048 is a four-slot M-LOK chassis for AK platforms, built around a monolithic 1913 top rail without a rear-sight cutout and a detachable rear cover segment.

Compatibility checkpoint

Confirmed platform family: AK.
Handguard format: slim, four-slot M-LOK.
Top interface: full 1913-MIL-STD monolithic rail without a rear-sight cutout.
Rear section: detachable cover with an additional 1913 segment.
Model: S20048.

Selection rule: Choose S20048 when the required layout is the four-slot MK3 SLIM handguard with a continuous top rail and no rear-sight cutout.

Purpose

The chassis combines a narrow M-LOK handguard with a long aligned 1913 interface for compatible optical and illumination accessories. Its forward upper section remains installed during routine partial disassembly, helping preserve the mounted layout between service intervals.

Technical specifications

Main chassis	High-strength aluminum alloy
Core parts and fasteners	Steel
Handguard	Slim, four-slot M-LOK
Top interface	Monolithic 1913-MIL-STD rail without rear-sight cutout
Rear section	Detachable cover with 1913-MIL-STD segment

What's in the box

MK3 SLIM S20048 chassis assembly × 1
Required fastening components × set

Installation

Install the chassis according to the official SAG AK Chassis MK3 manual. The installation removes the original handguard ferrule; confirm the required full-rail configuration before installation.

Frequently asked questions

Which platform family fits S20048?

S20048 is confirmed for the AK platform family.

Does S20048 have a rear-sight cutout?

No. This version uses a continuous top-rail layout without a rear-sight cutout.

What mounting interfaces are provided?

It combines a four-slot M-LOK handguard with a monolithic 1913 top rail and a detachable rear 1913 segment.

Does the forward upper section need removal for routine service?

No. The forward upper section remains installed during routine partial disassembly.

SAG Specs

Construction Reusable MK3 SLIM chassis with monolithic top rail and detachable rear cover segment

Front Assembly Free-floating chassis architecture

Handguard Slim, four-slot M-LOK

Top Rail Monolithic 1913-MIL-STD top rail plus detachable rear 1913 segment

General

Brand Sureshot Armament Group (SAG)

Manufacturer Part Number (MPN) SAG-S20048

Condition New

Intended Use AK platform family

Material High-strength aluminum alloy; steel core parts and fasteners

Mounting & Rails

Mounting method MK3 SLIM full-rail geometry without rear-sight cutout

Installation Original handguard ferrule removed; install according to SAG MK3 manual

Kit Contents

Includes SAG MK3 SLIM S20048 full-rail chassis kit × 1

Care & Chemicals

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

Required interface / configuration MK3 SLIM full-rail mounting geometry without rear-sight cutout

Resulting interface / function four-slot M-LOK handguard with continuous 1913-MIL-STD top rail and detachable rear segment

Exclusions / limitations configurations requiring a rear-sight-base cutout and incompatible platform-specific mounting geometry

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