Description
The Get M400-SDI X is a no-nonsense 9mm pistol built for shooters who want a reliable, optics-ready handgun straight out of the box. Since early 2024, we’ve had these on our shelves and they’ve shown a low return rate — customers get exactly what they expect. Our staff notes it pairs well with an extended slide release for faster reloads, and on our scale it weighs in at 7.8 oz.
- Optics ready — RMSc footprint cut for easy red dot mounting.
- Striker-fired action — consistent trigger pull, no manual safety to fumble with.
- 3.4-inch barrel — compact enough for concealed carry, long enough for accurate shooting.
- Flat dark earth frame — low-glare finish that holds up to holster wear.
- Two 10-round magazines — includes flush-fit and extended base pads for grip options.
| Caliber | 9mm Luger |
| Action | Striker-fired |
| Barrel Length | 3.4 in |
| Overall Length | 6.7 in |
| Height | 4.8 in |
| Width | 1.1 in |
| Weight (measured) | 7.8 oz |
| Magazines | 2 x 10-round |
Does the M400-SDI X come with a holster?
No, it does not include a holster. The box contains the pistol, two magazines, a cable lock, and the owner’s manual. We carry several IWB and OWB holsters that fit this model if you need one.
What optic footprint does the slide accept?
The slide is cut for the RMSc footprint (Shield RMSc, Holosun 407K/507K, Swampfox Sentinel, etc.). It uses two mounting screws. We recommend using blue Loctite and torquing to factory specs.
Can I use +P ammunition in this pistol?
Yes, the M400-SDI X is rated for +P 9mm ammo. We suggest running a box of standard-pressure rounds first to break in the recoil spring, then you can switch to +P for carry or range use.
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