Description
There is nothing else on the market that runs quite like a KRISS Vector, and the Gen 3 SBR in Alpine White might be the best looking version yet. The heart of this thing is the Super V Recoil Mitigation System, a delayed blowback design that sends recoil energy downward instead of straight back into your shoulder. Pair that with a bore axis that sits below the trigger, basically in line with your second knuckle, and you get a .45 ACP that shoots softer and flatter than it has any right to. Follow-up shots come fast, and the muzzle just does not want to climb.
What's New on the Vector Gen 3 SBR
KRISS listened to owners on this one. The Gen 3 gets a redesigned upper housing that accepts aftermarket pistol grips, so you can swap in whatever feels right in your hand, and the lower housing was reshaped for better support hand placement. You still get the low-profile flip-up sights, a full-length top rail for optics, ambidextrous safety, and the folding telescopic stock that shrinks the whole package down for storage or transport. The 5.5 inch barrel is threaded 578×28, so adding a suppressor or muzzle device is a straightforward job.
Alpine White Cerakote and Glock Mag Compatibility
The Alpine White Cerakote finish is durable, cleans up easy, and stands out in a rack full of black rifles. Feeding is handled by full-size Glock .45 ACP magazines, and KRISS includes one 30-round MagEx2 extended magazine in the box. That cross compatibility is a real perk if you already run a Glock 21, since your pistol mags drop right in.
As the smallest rifle variant in the Vector lineup, this Gen 3 SBR is built for tight spaces and quick target transitions. Whether it goes to work on the range, rides in a truck bag, or anchors your collection as one of the most recognizable firearms of the last two decades, the Vector delivers a shooting experience you simply cannot get anywhere else.
Key Specifications
- Manufacturer: KRISS USA (TDI)
- Model: Vector SBR Gen 3
- MPN: KV45-3SAP00
- UPC: 810172121683
- Caliber: .45 ACP
- Action: Semi-Auto, Super V Delayed Blowback
- Barrel Length: 5.5", Threaded 578×28
- Capacity: 30+1 Rounds
- Magazine Compatibility: Glock 21 Pattern (.45 ACP)
- Stock: Folding Telescopic Stock
- Sights: Low-Profile Flip-Up Front/Rear
- Safety: Ambidextrous
- Finish: Alpine White Cerakote
- Product Type: Short Barrel Rifle (SBR)
What’s Included
- KRISS Vector Gen 3 SBR .45 ACP Rifle
- One 30-Round Extended Magazine (Glock Pattern)
- Low-Profile Flip-Up Sights (Installed)
- Owner's Manual
Frequently Asked Questions
What magazines does the KRISS Vector Gen 3 SBR in .45 ACP use?
It feeds from full-size Glock 21 pattern .45 ACP magazines, and it ships with one 30-round extended magazine from the factory. Standard 13-round Glock 21 mags work as well, which is handy if you already own a Glock in .45. That cross compatibility means one mag pouch can feed both your rifle and your pistol.
What's different about the Gen 3 Vector compared to earlier generations?
The biggest change is the redesigned upper housing, which lets you install aftermarket pistol grips instead of being locked into the factory grip. KRISS also reworked the lower housing for better support hand placement. The core Super V recoil system and Glock mag compatibility carry over from previous generations.
Is the barrel on this Vector SBR threaded for a suppressor?
Yes, the 5.5 inch barrel comes threaded in 578×28, which is the common thread pitch for .45 caliber muzzle devices and suppressors. The Vector's mild recoil impulse and low bore axis make it a popular suppressor host, and .45 ACP runs subsonic with most standard loads.
Does the Super V system really reduce recoil in .45 ACP?
It does. The Super V is a delayed blowback design that redirects recoil energy downward through a moving slider, acting as a counterweight against muzzle rise. Combined with a bore axis that sits below the trigger, the Vector shoots noticeably flatter and softer than a conventional .45 carbine, making quick follow-up shots much easier.





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