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AFR Rumpel M-LOK QD Sling Base - Hardened Steel, 9 mm

Brand: TD Russia
Product Code: TDR-AFR-RUMPEL
Availability: In Stock

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AFR Rumpel M-LOK QD Sling Base

Genuine AFR | Steel QD sling socket for M-LOK, 9 mm profile | Black
In short: the AFR Rumpel is a steel QD sling base for M-LOK handguards - the M-LOK member of the AFR base family, sitting 9 mm above the handguard. It completes the set: Drek for Picatinny, Kabestan for KeyMod, Revers for the AR end plate position, and the Rumpel for M-LOK.

Overview

The Rumpel bolts into any pair of M-LOK slots with two DIN 7984 M4x8 screws and T-nuts, and puts a standard 9.7 mm QD socket 9 mm above the handguard. It takes any standard QD swivel, including swivels from other manufacturers, and at 20 g it does not register on the balance of the handguard.

The construction is the same as the rest of the family and it is what the line is really about: structural steel, heat treated, with the surface additionally hardened by carbonitriding. A steel QD swivel working in an alloy socket will wear it oval over time and eventually let go; this one keeps its shape. The inner cup is cut with recesses that index the swivel and stop it rotating on its axis, so a single-point sling does not wind up as you move. As always with QD, the swivel is the weak link - choose a good one.

What's in the Box
✓AFR Rumpel QD sling basex 1
✓DIN 7984 M4x8 screwx 2
✓M-LOK T-nutx 2
✓2.5 mm hex keyx 1
✓Packagingx 1
Compatibility: Fits any M-LOK handguard. Accepts standard 9.7 mm QD sling swivels, including third-party swivels.

Key Advantages

  • Structural steel, heat treated and carbonitrided - the socket keeps its shape under steel swivels
  • Anti-rotation recesses inside the cup stop the swivel turning on its axis
  • 9 mm profile above the handguard, 20 g total
  • Complete fitting kit: two screws, two M-LOK T-nuts and a hex key
  • Takes any standard 9.7 mm QD swivel, including third-party

Technical Specifications

BrandTD Russia (AFR)
TypeQD sling base, M-LOK
MaterialStructural steel
TreatmentHeat treated, carbonitrided surface
Profile height9 mm
Socket diameter9.7 mm
MountingM-LOK, DIN 7984 M4x8 screws and T-nuts
Weight20 g
MPNTDR-AFR-RUMPEL
ConditionNew

Frequently Asked Questions

Which AFR base do I need?
Match it to your interface: Rumpel for M-LOK, Drek for Picatinny or Weaver, Kabestan for KeyMod, Revers for the AR end plate position.
Why steel rather than alloy?
A steel QD swivel wears an alloy socket oval over time, and a worn socket eventually releases. The Rumpel is heat treated steel with a carbonitrided surface.
What stops the swivel rotating?
Recesses inside the cup index the swivel so it cannot turn on its axis - which matters most with a single-point sling.
Will it take swivels from other brands?
Yes, any standard 9.7 mm QD swivel. Choose carefully: a poor swivel is the usual cause of an unintended release.
What is in the box?
The base, two DIN 7984 M4x8 screws, two M-LOK T-nuts, a 2.5 mm hex key and packaging.
Is this a genuine TD Russia part?
Yes - it is an original TD Russia AFR Rumpel with guaranteed US delivery.
Genuine AFR Rumpel the M-LOK QD point.
In Stock | Guaranteed US Delivery | Genuine AFR Part
Related: AFR Drek Picatinny QD Sling Base | AFR Kabestan KeyMod QD Sling Base | AFR Kingston Picatinny Sling Loop

Features

Fittings Anti-rotation recesses inside the socket

General

Type QD sling base, M-LOK mounted
Brand TD Russia
Manufacturer Part Number (MPN) TDR-AFR-RUMPEL
Condition New
Intended Use QD sling attachment on M-LOK handguards
Material Structural steel
Color / Finish Black
Weight 20 g
Dimensions (L x W x H) mm Profile height 9 mm, socket diameter 9.7 mm

Mounting & Rails

Mounting M-LOK
Function QD sling base, M-LOK
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AFR Rumpel, M-LOK QD base, sling mount, steel QD socket