6.5 inch camera extension arm with 20mm ball mounts on both ends
The Pro Video 6.5 inch extension arm with NATO rail and threaded mounts
6.5 inch extension arm connecting two articulating arms on camera rig
Close-up of 6.5 inch extension arm 20mm ball end and 1/4-20 thread

    6.5" Extension Arm

    5 6 reviews

    6.5" Extension Arm WITH NATO RAIL + 20MM BALL HEAD

    The Pro Video 6.5" Extension Arm is a modular connector designed to give your rig more reach, more flexibility, and more precise positioning without adding unnecessary bulk.

    • 20mm Ball Extension Arm 6.5" (2 lb / 0.91 kg Load) – Dual Ball Connector for Magic Arms
    • Built around a dual 20mm ball design, this extension arm is made to sit between two articulating (magic) arms, creating a fully adjustable, multi-axis setup for lightweight gear.
    • 1/4"-20 · 3/8", NATO rail top, Locating pin on both ends.
    $18.00
    $18.00
    • Ships from USA
    • Defective? Full refund or replacement
    • 30-Day Returns

    Product information

    Details

    6.5" of solid reach for getting the camera, monitor, microphone or light exactly where the shot lives. 20mm ball ends on both sides for plug-and-play compatibility with the full Pro Video mounting system, NATO rails, and any standard articulating arm. 1/4"-20 and 3/8"-16 mounting points along the rail. Slots into cages without adapters. Machined aluminum — no flex, no rattle.

    Compatibility

    Mounting standards: 20mm ball both ends, 1/4"-20, 3/8"-16, NATO rail.
    Cameras: Sony FX3, FX30, A7S III; Canon R5 C; Panasonic Lumix S5, GH6; Blackmagic Pocket 6K; mirrorless and DSLR bodies.
    Action cams: GoPro HERO 11/12/13, DJI Osmo Action 6 Pro, Insta360 X4, X5, Ace Pro.
    Accessories: Atomos Ninja, SmallHD, Portkeys monitors, LED lights, wireless transmitters, shotgun mics.

    Shipping

    Ships from the USA. Orders are processed and shipped within 3–5 business days.

    Read the full Shipping Policy

    Returns

    You have 30 days from delivery to request a return. Email support@theprovideo.com with your order number.

    Read the full Return Policy

    1-Year Warranty

    Covered against manufacturing defects in materials and workmanship for one year from delivery. If we confirm a defect, we send a free replacement — shipping included.

    Read the full Warranty & Safety Policy

    6.5" EXTENSION ARM

    THE PRO VIDEO 6.5" EXTENSION ARM NATO Rail · 20MM Ball Head · Rigid Aluminum Reach
    6.5 inch camera extension arm with 20mm ball mounts on both ends
    13 inch dual arm system supporting camera and monitor on car mount
    Long-reach 13 inch dual arm extension with center rail and dual ball ends

    How It Works (Important)

    THE PRO VIDEO 6.5" EXTENSION ARM NATO Rail · 20MM Ball Head · Rigid

    • This extension arm has dual 20mm ball ends
    • It must be connected to two articulating (magic) arms
      One arm attaches to each side
    • It acts as a link between two arms, adding an extra pivot point and extending your rig.

    You will need:

    • 2 × 20mm compatible magic arms
    • 1 × 6.5" EXTENSION ARM NATO Rail · 20MM Ball Head
    Long-reach 13 inch dual arm extension with center rail and dual ball ends

    Product details

    Product specifications

    Mount
    20mm ball ×2 · 1/4"-20 · 3/8"-16 · NATO rail
    Material
    Machined aluminum
    Weight
    113 g / 4 oz g
    Includes
    20mm Ball 6.5" Extension Arm
    Payload
    2.3 kg / 5 lb stationary · 1.5 kg / 3.3 lb in motion
    The Pro Video 6.5 inch extension arm with NATO rail and threaded mounts
    • Sold out
    Product title
    $19.99
    $19.99
    • Sold out
    Product title
    $19.99
    $19.99
    • Sold out
    Product title
    $19.99
    $19.99
    • Sold out
    Product title
    $19.99
    $19.99

    FAQ

    The Pro Video 6.5" Extension Arm

    No.
    20mm Ball Extension Arm 6.5" (2 lb / 0.91 kg Load) – Dual Ball Connector for Magic Arms .This product is not designed for heavy cameras or large lenses. Using heavy gear may cause slipping or instability.

    Yes. This extension arm is not a standalone product.

    You will need two 20mm compatible articulating (magic) arms—one attached to each en

    No.

    This is a dual ball extension, designed to connect between two arms. Using only one arm will not work.

    This extension arm is built for lightweight setups, such as:

    • GoPro cameras
    • DJI Osmo Action
    • DJI Pocket 3 & 4
    • Small LED lights
    • Compact microphones

    Not recommended.
    This extension arm is best for steady, controlled shots. High-impact or fast-moving setups may cause shifting.

    Customer reviews

    5 6 reviews

    Published reviews

    Feedback from creators

    6 reviews

    VictorMay 25, 2026
    Superb quality! Locks in tight with no movement or readjusting needed. Great product!

    Used in: 1/4"-20 Articulating Arm

    Andrew R. (M3POGI)May 24, 2026
    As a creator, I've gone through my fair share of cheap friction arms that slip the moment you move the camera or try to adjust your setup quickly. The Pro Video 13" Dual Articulating Arm is a completely different beast.
    The 20mm ball joints offer massive clamping force compared to standard small ball heads. I've been rigging a heavy external monitor setup onto my main camera cage with this, and once you lock down that center handle, it absolutely does not budge.
    The integration of the NATO rail mount is a massive quality-of-life upgrade for quick teardowns and packing up, and having both 1/4"-20 and 3/8"-16 anti-twist options means I can swap it between a cage, a gimbal, or a top handle without needing a bag full of adapters. The 13" length gives you the perfect amount of clearance to position a monitor exactly where you need it to frame up your shots, especially when shooting at awkward angles or running solo.
    If you're tired of your monitor sagging mid-shoot, just buy this and stop worrying about it. It's an essential piece of kit that feels built to last for years.

    Used in: Dual Articulating Arm Bundle

    Nicholas K.May 22, 2026
    Solid piece of gear, works just like you need it to, and even doubles as a handgrip while holding your monitor !

    Used in: Dual Articulating Arm Bundle

    Keith LoMay 21, 2026
    I’ve been testing The Pro Video’s articulating arm with anti-twist pins for about a week now, and so far I’m genuinely impressed. The build quality is excellent. Solid clamp, firm ball joints, and a really clean matte finish that feels great in the hand. Once tightened down, everything feels secure and stable!

    Used in: 1/4"-20 Articulating Arm

    Tuan HuynhMay 19, 2026
    The arms work great! The length is perfect. It’s super flexible you can twist them however angles you like. Can’t wait to use this setup for more shoots coming up!

    Used in: Dual Articulating Arm Bundle

    Elchin AhmadovMay 19, 2026
    Love my new gear absolutely game changer. quality is topnotch, using it daily on my shooting highly recommended

    Used in: 1/4"-20 Articulating Arm