Description
Working on a SCAR is a whole lot easier when the lower is locked down solid and you're not sweating over cracking a polymer receiver in a bare vise. The TangoDown SCAR Lower Receiver/Trigger Module Vise gives you that stability. It's a high-density, injection-molded polymer block that seats into the magazine well and takes on all the clamping pressure itself, so the receiver stays put without getting crushed, twisted, or gouged. Whether you're cleaning, adjusting the trigger module, or running general maintenance, this is the kind of tool that makes the job feel a lot more controlled.
What the TangoDown SCAR Lower Block Actually Does
The magic is in how the block carries the load. Instead of your vise jaws pressing directly against the receiver, they clamp the block, and the block cradles the SCAR. That means no marring, no scratched finish, and no stress on the polymer while you've got the rifle held firm. It gives you a secure, stable platform for detail work on the trigger module and lower assembly.
One Block, Both SCAR Calibers
This is a reversible design, which is a nice touch if you run more than one SCAR. One end is set up for the 5.56x45mm SCAR-L, and you just flip it around to fit the 7.62x51mm SCAR-H. It's built to service the FN SCAR 16S and 17S platforms, so a single block covers a lot of ground on the bench.
Built by a Name That Knows the Platform
TangoDown didn't come up with this out of nowhere. Their SCAR blocks are the same design used in the official SOCOM-issue armorer's block set for the FN SCAR weapon system, so you're getting a tool that was proven at the armorer level. Paired with the factory service manual, it lets you handle serious repair work on the lower without risking damage to fire control components. If you own a SCAR and plan to do any of your own wrenching, this block earns its spot in the toolbox.
Key Specifications
- Manufacturer: TangoDown
- Manufacturer Part Number: TMB-001
- Model: SCAR
- UPC: 305900350003
- Material: High-density injection-molded polymer/nylon
- Type: Lower Receiver/Trigger Module Vise Block
- Mounting: Locks into magazine well
- Caliber Fit: Reversible: 5.56x45mm SCAR-L / 7.62x51mm SCAR-H
- Rifle Compatibility: FN SCAR 16S and 17S
- Color: Black
What’s Included
- TangoDown SCAR Lower Receiver/Trigger Module Vise Block (TMB-001)
Frequently Asked Questions
Which SCAR rifles does this vise block fit?
The block is designed for the FN SCAR 16S and 17S platforms. It's reversible, so one end fits the 5.56x45mm SCAR-L and the other end fits the 7.62x51mm SCAR-H. That gives you coverage for both calibers with a single tool.
How does the SCAR lower block protect the receiver?
It seats into the magazine well and absorbs all of the clamping force itself, so your vise jaws never press directly against the polymer receiver. The nylon construction won't scratch or mar the finish. That keeps the receiver from getting crushed, twisted, or distorted while it's held tight.
What kind of work can I do with this block?
It gives you a stable platform for cleaning, trigger module service, adjustment, and general maintenance on the lower. Because the design comes from the official SOCOM armorer's block set, it's suited for armorer-level repair. Pairing it with the factory service manual is the smart way to tackle bigger jobs.
Do I need the upper receiver block too?
Not necessarily. The lower block handles everything related to the trigger module and lower receiver on its own. If you also plan to remove a muzzle device or work on the barrel module, that's where the separate upper/barrel block comes in, but the two are sold independently.




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