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SmallRig 4161 Black Mamba Camera Cage for Canon R6 Mark III / R6 II
The SmallRig 4161 Black Mamba Camera Cage for Canon R6 Mark III / R6 II offers protection, expandability and full control access to all ports for filmmaking, with a secure triple-point anti-twist locking system.
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SmallRig 4161 Black Mamba Camera Cage for Canon R6 Mark III / R6 II Summary
The SmallRig 4161 Black Mamba Camera Cage is a form-fitting aluminium cage for Canon EOS R6 Mark III and R6 Mark II cameras. It provides external protection while providing full access to camera controls, ports, and connections.
The cage uses a triple-point anti-twist locking system, securing the camera with a bottom screw and two side lock adapters. Built-in silicone cushions line the contact points to reduce surface wear and prevent scratches. A streamlined, close-fitting design keeps the overall profile compact while supporting handheld use.
Multiple mounting interfaces are integrated into the cage, including threaded holes, a cold shoe mount, strap slots, and a QD socket. The base includes an Arca-Swiss compatible quick-release plate, allowing direct mounting to tripods and supported DJI RS series stabilisers without removing the cage. A built-in magnetic wrench supports quick assembly and removal.
Compatible cameras:
- Canon EOS R6 Mark III
- Canon EOS R6 Mark II
SmallRig 4161 Black Mamba Cage for Canon R6 Cameras Key Features
- Triple-point anti-twist locking system secures the camera body
- Built-in Arca-Swiss base supports tripods and compatible DJI RS stabilisers
- Silicone cushions protect the camera and reduce surface scratches
- Multiple mounting points support handles, microphones, and monitors
- Cold shoe mount, strap slot, and QD socket integrated into the cage
- Built-in magnetic wrench supports quick mounting and disassembly
SmallRig 4161 Black Mamba Cage Specifications
- Dimensions: 153.0 x 73.9 x 114.5mm
- Weight: 158.0g
- Materials: Aluminum Alloy
Frequently asked questions
Which cameras are compatible with this cage?
It is compatible with the Canon EOS R6 Mark III and Canon EOS R6 Mark II.
Does the cage block access to camera controls or ports?
No, the cage is precisely shaped to maintain access to all buttons, dials, and connections.
Can the cage be mounted directly to DJI stabilisers?
Yes, the integrated Arca-Swiss plate supports direct mounting to DJI RS 2, RSC 2, RS 3, and RS 3 Pro stabilisers.
How is the camera secured inside the cage?
The camera is locked using a bottom 1/4”-20 screw and two side lock adapters to prevent twisting.
What’s in the box
- SmallRig 4161 Black Mamba Camera Cage for Canon R6 Mark III / R6 II
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Condition guide
Our used products are subject to wear and tear in comparison to brand new products. This also applies to accessories that are supplied with the camera including batteries which may have a lower optimum performance level/life expectancy.
- Like New – The equipment is in a condition as if you have just bought it from the manufacturer. The item is still considered to be ‘Like New’ even without the original packaging and accessories. The product has been fully tested and is in perfect working order. Lenses are optically clear. There may be light dust present that will not effect the imagery.
- Excellent – The equipment should be close to being ‘Like New’ but there may be some small cosmetic blemishes that lower its grade. The product has been fully tested and is in perfect excellent order.
- Cameras – Should have no marks on the LCD screen
- Lenses – Should have no marks on the elements and optically clear. There may be light dust present that will not effect the imagery.
- Very Good – The equipment may have some slight cosmetic wear to the paintwork and cosmetic blemishes with only light signs of use and the product has been fully tested and is in great working order.
- Cameras – The LCD screen may have small signs of wear that does not affect its display
- Lenses – The mount of the lens will start to show signs of wear
- Good – The equipment is showing more obvious signs of cosmetic wear and blemishes, but the product has been fully tested and is in great working order.
- Cameras – LCD screen may have scratches or wear that is starting to affect the display.
- Lenses – May have slight dust inside that does not affect images. The mount shows signs of use.
- Well Used – The equipment will show significant signs of wear. The paintwork will be coming away in large areas exposing the metal work, but the product has been fully tested and is in great working order.
- Cameras – LCD screen is heavily worn either by de-lamination or has scratches to it. Rubber grips are starting to come away from the body.
- Lenses – The lens has dust inside that may affect images. The rubber zoom/focus ring is coming away from the barrel of the lens.
*All of our used items are listed with the accessories that are included. If they are not listed, then they will not be supplied at the point of purchase.

Peace of mind with our 6 month warranty
This product has been thoroughly tested by our team of photographers and we are happy to give a 6 month warranty as a result. The number of tests depends on the individual product but we are confident in this product having tested all the major functions. Anything that isn’t as you would expect, we then make a note of and show this in the condition notes on the page.
So you can be confident you are buying a great piece of kit that’s been looked after by a fellow photographer and seen many extraordinary sights, tested by our team of photographers and now looking forward to being set free to capture more great images!