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There is nothing else on the market that shoots quite like a Vector. The KRISS Vector SDP G3 in .45 ACP uses the Super V Recoil Mitigation System, a closed bolt delayed blowback design where the bolt travels down and back instead of straight rearward. That downward movement works as a counterweight against muzzle rise, and combined with a bore axis that sits below the fire control group, roughly in line with your second knuckle, the result is a big-bore pistol that stays remarkably flat through fast strings of fire. First-timers usually come off the line grinning.
The third generation gets a fully reworked upper and lower housing. The reshaped side profiles and fresh texturing on the front of the mag well give your support hand a real place to live, which older Vectors never quite offered. This SDP configuration is the lightest, most compact member of the Vector family, running a 5.5 inch 4140 chrome moly barrel with a black nitride finish and .578×28 threading, so adding a suppressor or muzzle device is a simple twist away. Flip-up sights come installed, and the Picatinny end rail at the rear of the receiver opens the door to braces and other accessories, alongside plenty of rail space up top for a red dot.
Here is one of the smartest parts of the design: the Vector feeds from full-size Glock magazines. This 10-round model ships with a single mag, and the ambidextrous, reversible magazine release keeps handling consistent no matter which hand runs the gun. The interchangeable AR-style pistol grip and four-pin toolless disassembly make maintenance and customization refreshingly simple.
Between the recoil system, the ultra-low bore axis, and the pivoting single-stage trigger, the SDP G3 turns the stout .45 ACP cartridge into something genuinely easy to control. Whether it earns a spot as a home defense piece, a suppressor host, or the range gun everyone asks to try, this one has personality to spare.
Yes, and that is one of its best features. The Vector in .45 ACP feeds from full-size Glock 21 pattern magazines, so spares are affordable and easy to find. This model ships with one 10-round magazine, and higher capacity Glock-pattern mags will run in it as well.
It is. The 5.5 inch 4140 chrome moly barrel wears a black nitride finish and is threaded .578×28 RH, which is the standard pitch for most .45 caliber suppressors and muzzle devices. Subsonic by nature, .45 ACP makes the Vector an excellent suppressor host.
The Super V system moves the bolt down and back into the frame instead of straight rearward, redirecting recoil energy away from your hands. Pair that with a bore axis that sits below the trigger, roughly in line with your second knuckle, and muzzle rise is dramatically reduced. Follow-up shots come faster and flatter than you would expect from a .45.
KRISS redesigned both the upper and lower housings for Gen 3. The reshaped side profiles and added texture on the front of the mag well give your support hand better purchase, and the platform offers more customization overall, including an interchangeable AR-style pistol grip and a rear Picatinny end rail for accessories. Disassembly is also simple with a four-pin toolless takedown.
| UPC | 811607039849 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | KV45-3PBL01 |
| Action | |
| Barrel Length | 5.5" |
| Caliber/Gauge | .45 ACP |
| Capacity | 10 |
| Color | Black |
| Model | |
| Product Type | Pistol |
| Safety | Ambidextrous |
| Sights | Front/Rear Flip Sights |
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