The KRISS Vector SBR Gen III in 45ACP combines compact handling with serious firepower. 5.5″ threaded barrel, 30-round capacity, and Alpine White Cerakote finish for sport and recreation.
Update, October 9, 2026: ATF no longer requires a Form 4, tax stamp, fingerprints or registration for suppressors, short-barreled rifles, short-barreled shotguns or AOWs. They now transfer on a standard Form 4473 with a background check. Anything below that mentions a Form 4, a wait or a tax stamp was written before this change. What changed
The KRISS Vector SBR Gen III 45ACP is a semi-automatic rifle built for shooters who demand precision and reliability in a compact platform. This model features a 5.5″ threaded barrel chambered in .45 ACP with a .578X28 thread pitch, delivering controlled recoil and accuracy downrange. The 30-round capacity provides serious firepower for sporting and recreational shooting.
Additionally, the Vector SBR Gen III comes equipped with an adjustable folding stock and interchangeable pistol grip, giving you ergonomic control in any shooting position. The Alpine White Cerakote finish delivers both durability and a distinctive aesthetic that stands out on the range. Low-profile flip-up sights are integrated for quick target acquisition without adding weight or complexity.
Tactical Features Built In
Furthermore, the ambidextrous safety lets left and right-handed shooters operate the rifle naturally. The threaded barrel accepts suppressors and muzzle devices, expanding your customization options. Whether you’re running drills at the range or competing in shooting sports, the KRISS Vector SBR Gen III handles every scenario.
The design of the Vector SBR focuses on ergonomics and user control. Moreover, the rifle’s compact profile makes it ideal for shooters seeking a modern, purpose-built platform. This is a serious tool for serious shooters.
Perfect for Competitive and Recreational Shooting
The KRISS Vector SBR Gen III excels in dynamic shooting sports and recreational use. The 30-round magazine and rapid-fire capability make it a standout choice for range days and tactical competitions. Additionally, the .45 ACP platform offers proven stopping power and ammunition availability.
Ordering from Western Sport
Order online and we ship it to the licensed FFL dealer you choose near you — see how buying a gun online works. Western Sport has been a licensed FFL/SOT dealer since 2007, and everything we sell carries the full manufacturer warranty. Questions before you order? Send us a message.
Frequently Asked Questions
Q: What thread pitch does the barrel use?
A: The KRISS Vector SBR Gen III features a .578X28 thread pitch, compatible with most modern 45 ACP suppressors and muzzle devices. This standardized pitch ensures wide accessory compatibility.
Q: Can I legally own this rifle in Texas without NFA registration?
A: The Vector SBR Gen III is a short-barreled rifle, which requires an approved ATF Form 4 and NFA registration before you take possession. Western Sport handles all transfer paperwork and can guide you through the application process.
Q: What comes in the box?
A: The KRISS Vector SBR Gen III includes one 30-round magazine, adjustable folding stock, interchangeable pistol grip, and low-profile flip-up sights. The rifle is ready for the range or field out of the box.
Q: Is this rifle good for competitive shooting?
A: Yes, the Vector SBR Gen III is an excellent choice for dynamic shooting sports and tactical competitions. The 30-round capacity, adjustable ergonomics, and .45 ACP platform make it ideal for fast-paced range events and precision shooting drills.
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