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The KRISS Vector has been turning heads since its submachine gun roots back in 2007, and the Gen3 SDP brings that same futuristic DNA into the most refined version of the platform yet. Chambered in 9mm and wearing a bold Alpine White finish, this pistol stands out whether it is at the range or mounted in a safe. But the finish is just the start.
At the heart of the Vector is KRISS's patented Super V Recoil Mitigation System. It is a delayed blowback design where a low-mass slider, guided by internal channels running perpendicular to the barrel, redirects blowback energy downward rather than straight back. The result is dramatically reduced muzzle rise and felt recoil, which makes fast, accurate follow-up shots noticeably easier compared to most pistol-caliber platforms. Paired with what KRISS claims is the lowest bore axis of any firearm in the world, the gun simply does not behave like anything else you have shot.
The Gen3 update addressed nearly every complaint from previous generations. The redesigned upper and lower housings slim down the profile and improve hand support, the M-LOK handguard replaces the old Picatinny rail system for a cleaner, more versatile setup, and the ambidextrous reversible magazine release finally puts both-handed shooters on equal footing. The skeletonized trigger features just 0.7mm of pre-travel for a short, crisp pull, and the ambidextrous short-throw safety is right where your thumb expects it. The pistol grip is interchangeable with standard AR-15/M16 grips, and the rear Picatinny stock mount means you can attach a brace or folding stock down the road. Disassembly is tool-free using the 4-pin system, so cleaning and maintenance stay simple.
The 5.5-inch barrel is threaded at 1/2×28, making suppressor use a straightforward option. Low-profile flip-up polymer sights come installed and co-witness well with common red dot optics on the full-length top rail. The included KRISS MagEx2 40-round magazine loads ahead of the trigger guard and gives this pistol a truly impressive capacity in a compact footprint. If you already run Glock 17-pattern magazines, those work here too.
This platform appeals to a wide range of buyers: collectors drawn to its sci-fi aesthetic, range enthusiasts who want something genuinely different and fun to shoot suppressed, and home defense users who value the soft-shooting, high-capacity package. The Alpine White finish makes it one of the more visually striking configurations in the entire Vector lineup.
The Vector uses KRISS's patented Super V Recoil Mitigation System, which redirects blowback energy downward through internal channels rather than rearward into the shooter. This, combined with an extremely low bore axis, dramatically reduces muzzle rise and felt recoil compared to conventional pistol-caliber designs. The practical effect is noticeably softer shooting and faster target reacquisition during rapid fire.
The Vector SDP Gen3 in 9mm is compatible with full-size Glock 17-pattern magazines, which are widely available and affordable. The included magazine is a KRISS MagEx2 that extends a standard Glock mag to a 40-round capacity. Standard Glock 17 magazines also work if you prefer a lower-profile option.
Yes, the barrel is threaded at 1/2×28, which is the standard thread pitch for 9mm suppressors in the U.S. market. The low bore axis and downward recoil redirect of the Super V system make the Vector an especially enjoyable platform to run suppressed. The full-length Picatinny top rail also lets you mount a red dot that co-witnesses with the flip-up backup sights.
The Gen3 SDP includes a rear Picatinny rail stock mount that accepts folding or fixed stocks and compatible pistol braces. The pistol grip is interchangeable with any standard AR-15/M16 compatible grip, giving you a wide range of ergonomic options. These updates were among the most requested changes from Gen2 owners and are a significant improvement in the Gen3 design.
The Gen3 introduced several meaningful upgrades over the Gen2, including a slimmer and redesigned upper housing, an M-LOK handguard in place of the older Picatinny rail shroud, an ambidextrous reversible magazine release, an interchangeable AR-pattern pistol grip, and a skeletonized trigger with reduced pre-travel. The Gen3 also adds a rear Picatinny mounting block for braces and stocks that was not standard on Gen2 SDP models.
It works well in both roles. The compact pistol configuration, 40+1 capacity, ambidextrous controls, and soft-shooting recoil system make it a capable home defense option. For range use, it is one of the more entertaining and unique platforms available in 9mm, especially when running suppressed or with a red dot. It is a larger, heavier platform than a traditional handgun, so it is worth handling one before committing if concealability or holster carry is a priority.
| UPC | 810172121829 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | KV903PAP00 |
| Action | |
| Barrel Length | 5.5" |
| Caliber/Gauge | 9mm |
| Capacity | 40 + 1 |
| Color | White |
| Model | |
| Number of Magazines | 1 |
| Product Type | Pistol |
| Safety | Ambidextrous Safety Lever |
| Shipping Weight | 0.0 |
| Sights | Flip Up Front & Rear |
| Sights Type | FLIP UP SIGHTS |
| State Restriction (CA) | NO DIRECT SHIP TO CALIFORNIA |
| State Restriction (RI) | NO DIRECT SHIP TO RHODE ISLAND |
| State Restriction (WA) | NO DIRECT SHIP TO WASHINGTON |
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