Description
The DryFireMag for the SIG Sauer P320 solves the biggest headache of dry fire practice: having to cycle the slide after every single trigger pull. Instead of breaking your grip and stance to rack the slide, a spring-loaded tab inside the mag makes contact with the fire control unit, provides resistance, and snaps your trigger right back to ready. You keep both hands on the gun and your sights on target, then squeeze again. It runs entirely off your pistol's own mechanics, so there are no batteries and nothing to charge.
What the DryFireMag Does for Your P320 Reps
This model is tuned to work with the P320 and adds roughly a half pound to your existing trigger weight, which keeps the feel natural and responsive rather than mushy. A small screw on the front lets you fine-tune trigger pretravel so you can dial the break in close to your stock setup. Each press gives you an audible click and tactile feedback that mimics a real trigger wall, break, and reset, which means you can run double-taps, target transitions, and draw-to-first-shot drills that were basically impossible with standard dry fire.
Setup and Safe Handling with the DryFireMag
Using it is quick. Clear your P320 and confirm the chamber is empty, rack the slide once to set the striker, then seat the DryFireMag fully into the mag well, sometimes with a firm bump from your palm. The first pull will feel heavy as it releases the firing pin, and after that you're clicking away. The blaze orange base plate makes it obvious this isn't a live magazine, and the whole unit is weighted and built from thick polymer that holds up to steady use.
A couple of things worth knowing before you order. This is a trigger reset tool only, so it won't cycle the slide or work for reload drills, and it's designed around the upgraded P320 fire control unit, so it's worth checking your sear housing first. It also pairs nicely with training systems like Mantis when you switch the shot detection mode over to SIRT/DFM.
Key Specifications
- Manufacturer: DryFireMag
- Manufacturer Part Number: D-P9-RET
- Model: P320 (P9)
- UPC: 784851911707
- Fits: SIG Sauer P320, M17, M18
- Function: Automatic trigger reset without racking the slide
- Added Trigger Weight: Approximately 1/2 lb
- Tuned Trigger Range: Factory SIG 5.5 to 7.5 lb trigger
- Power Source: None required, no batteries
- Adjustability: Front screw for trigger pretravel
- Base Plate: Blaze orange for quick identification
- Material: Polycarbonate / thick polymer, weighted
- Origin: Made in the USA
- Laser Compatibility: Not compatible with firing pin-activated laser cartridges
What’s Included
- DryFireMag trigger reset training magazine for SIG Sauer P320
Frequently Asked Questions
Does the DryFireMag work with any SIG P320?
The DryFireMag P9 was designed around the upgraded P320 fire control unit, so it's smart to check your sear housing before ordering. It's built for 9mm P320 models and won't fit AXG, XCarry, or 10mm and .45 ACP variants. It also does not work with overstop travel triggers.
Do I still need to rack the slide with the DryFireMag installed?
You rack the slide just once at the start to set the striker, then insert the DryFireMag and you're set. After that, the spring-loaded mechanism resets your trigger automatically after each press, so you can take as many dry fire shots as you want without cycling the slide again. That's the whole point of the tool.
Does the DryFireMag need batteries or a laser?
No. It's a purely mechanical device that runs off your pistol's own trigger mechanics, so there's nothing to charge or replace. Keep in mind it is not compatible with firing pin-activated laser cartridges, though it does play well with systems like Mantis when you set the shot detection to SIRT/DFM mode.
Can the DryFireMag be used for reload drills?
No, this is strictly a trigger reset training tool. It will not cycle the slide or work for tactical reloads, and it isn't designed to drop free from the mag well. If you're after reload practice, you'll want a dedicated dummy magazine instead.




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