Description
The INFITAC PM04 is the missing link between your Fast Mini thermal sight and any platform built around the Aimpoint Acro footprint. Out of the box, INFITAC's Fast Mini sights like the FMP13 and FML19 wear a standard RMR pattern, which is great for optics-ready pistols but leaves you stuck if your rifle or host mount speaks Acro. Thread on the PM04 and that problem disappears, letting one thermal optic travel between setups without buying a whole second sight.
What the PM04 Aimpoint Acro Mount Brings to the Table
This adapter is CNC-machined from AL7075-T6 aircraft-grade aluminum, the same material serious mount makers lean on when they need strength without dead weight. That matters because thermal optics are only as good as the platform holding them still. INFITAC rates the Fast Mini series for up to 1200g of recoil, and the PM04 is built to keep your zero honest under that kind of punishment. Edges are cleaned up so nothing snags, and the low-profile shape keeps your thermal riding close to the rail.
Getting the PM04 Mounted and Running
Installation is refreshingly simple. It's a tool-friendly job that most folks knock out at the bench in a few minutes using the included hardware, then confirm zero at the range. Because it's a genuine INFITAC factory accessory, it drops onto the Fast Mini's footprint the way the engineers intended, which keeps your fit tight and your warranty intact.
A Smart Move for Fast Mini Owners
If you already run a Fast Mini thermal and want it living on an Acro-pattern host instead of an RMR base, the PM04 is the piece that makes it happen. It's a straightforward, well-built adapter that opens up where you can carry your thermal, and it pairs naturally with the rest of INFITAC's Fast Mini mounting lineup if you plan to move your optic around.
Key Specifications
- Manufacturer: INFITAC
- Manufacturer Part Number: PM04
- Model: PM04 Aimpoint Acro Mount
- UPC: 850067573104
- Product Type: Red Dot / Optic Mount
- Mounting Interface: Aimpoint Acro footprint
- Optic Compatibility: INFITAC Fast Mini series (FMP13, FML19)
- Material: AL7075-T6 aircraft-grade aluminum
- Construction: CNC-machined
- Profile: Low profile
- Color: Black
What’s Included
- INFITAC PM04 Aimpoint Acro Mount
- Mounting hardware
- Instructions
Frequently Asked Questions
What does the INFITAC PM04 Aimpoint Acro Mount actually do?
It converts the standard RMR footprint on INFITAC's Fast Mini thermal sights over to the Aimpoint Acro interface. That lets you run a Fast Mini optic on any rifle or platform set up for the Acro pattern instead of an RMR base. Think of it as an adapter plate that expands where your thermal can live.
Which optics fit the PM04 mount?
The PM04 is designed for INFITAC's Fast Mini series, including the FMP13 and FML19 thermal sights. These sights ship with a standard RMR footprint, and the PM04 adapts that footprint to the Acro interface. It's a factory INFITAC accessory built specifically for that ecosystem.
What is the PM04 mount made of?
It's CNC-machined from AL7075-T6 aircraft-grade aluminum, which gives you a strong, lightweight adapter. That construction is what keeps your thermal stable and holding zero, even with the Fast Mini series being rated for up to 1200g of recoil.
Is the PM04 hard to install?
Not at all. It's a tool-friendly job most people finish at the bench in a few minutes using the included hardware. As with any optic mount, snug everything down properly and reconfirm your zero at the range before you rely on it.




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