Description
Adding a micro red dot to your Springfield Hellcat is one of the best upgrades you can make, but the plate and backup sights are what separate a solid setup from a rattly one. This Night Fision combo takes the guesswork out by bundling a purpose-built optic plate with a set of blacked-out backup sights already matched to the right co-witness height. The plate is machined from 17-4 stainless steel and finished with a black nitride coating, so it stands up to the Hellcat's snappy recoil without warping or leaving gaps between the plate and slide.
What the Hellcat 507K Plate Actually Does
The plate serves as the interface between your Hellcat's optic cut and the 507K footprint, letting you bolt on a Holosun 507K, 407K, or Swampfox Sentinel II. The low-profile design keeps your optic sitting as close to the slide as possible, which matters on a micro-compact meant for concealed carry. It fits the full Hellcat family including the Micro-Compact, Pro, and RDP, along with other Springfield models wearing the RMSc/Shield footprint.
Blacked-Out Backup Sights That Stay Out of the Way
This version ships with blacked-out iron sights from the Optics Ready Stealth line, both front and rear. At a 248-268 blade height, they deliver a lower 1/3 co-witness, meaning your irons show up in the bottom third of the optic window without crowding the dot. They carry beveled edges and glare-reducing serrations, and the whole point is a clean backup sight picture that never fights your red dot for attention.
What Comes in the Box
Night Fision includes everything for the install: the precision plate, the backup sight set, extra mounting screws packed for the 507K, and their Optic Tool. That tool has a T10 Torx head for the hardware plus a small flathead for windage and elevation and the battery compartment on Holosun optics. A sight pusher makes pressing in the irons a lot easier, so plan for that if you're doing it at home.
Key Specifications
- Manufacturer: Night Fision
- Manufacturer Part Number: SPR-OPBS-507K-HC-ZXZX
- UPC: 810138541142
- Model: Optic Plate + Backup Sight Combo
- Fits Pistol: Springfield Hellcat, Hellcat Pro, Hellcat RDP, Micro-Compact, RMSc/Shield footprint models
- Optic Footprint: 507K (Holosun 507K/407K, Swampfox Sentinel II)
- Plate Material: 17-4 Stainless Steel
- Finish: Black Nitride
- Backup Sights: Optics Ready Stealth, blacked-out front and rear
- Blade Height: 248-268 (lower 1/3 co-witness)
- Color: Black
- Product Type: Sight / Optic Mount
- Country of Origin: USA
What’s Included
- Precision optic plate (Springfield Hellcat to 507K footprint)
- Blacked-out Optics Ready Stealth backup sight set (front and rear)
- Mounting hardware/screws for Holosun 507K
- Night Fision Optic Tool (T10 Torx and flathead)
Frequently Asked Questions
Which optics will this Hellcat 507K plate accept?
The plate is cut for the 507K footprint, so it fits the Holosun 507K and 407K along with the Swampfox Sentinel II. It will not accept a 507C or other RMR-footprint optic. If you're running a K-series micro dot, you're in the right place.
Do the backup sights in this combo co-witness with the red dot?
Yes. The included 248-268 blade height sights are built to give you a lower 1/3 co-witness, which puts your irons in the bottom portion of the optic window. That way they're there when you need them but never block the dot during normal shooting.
Are the sights in this version tritium or blacked out?
This particular combo ships with blacked-out iron sights, front and rear, with no tritium vials. They feature glare-reducing serrations for a clean sight picture. If you want a glowing front dot, Night Fision offers a separate version with a tritium front sight.
Do I need special tools to install this on my Hellcat?
The plate mounts with the included hardware and Night Fision's Optic Tool, which handles the Torx screws and adjustments. For the backup sights, a sight pusher makes seating them in the dovetails much easier and helps avoid marring the slide. Take your time and go slow if it's your first set.





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