Does this work with standard Glock magazines?

Yes. The Kriss Vector SDP G3 uses the same magazine well as a standard full-size Glock 17/19. Any double-stack 9mm Glock-pattern magazine will function, including the 33-round and 24-round magazines widely available from multiple vendors like Magpul or OEM Glock.

Is the barrel threaded for a suppressor?

Yes, the 5.5-inch barrel has 1/2x28 RH threads, which is the standard threading for most 9mm pistol and rifle suppressors. We recommend checking concentricity with an alignment rod before mounting any suppressor, a standard safety procedure for any threaded firearm.

Does it come with an arm brace or stock?

No, the firearm ships without an arm brace or stock to maintain its status as a pistol under federal law. Attaching a stock requires filing a Form 1 with the ATF to create a Short-Barreled Rifle (SBR). A compatible brace can be attached without NFA paperwork but is not included.

Can I return it if I decide it's not for me?

All firearm sales are final once the firearm has been transferred to you at your local Federal Firearms License (FFL) holder. You can cancel the order before it ships from our warehouse without penalty. We inspect all firearms for mechanical function and cosmetic condition prior to shipping.

How long does shipping take to an FFL?

Once the order is processed and your FFL information is verified, shipping typically takes 3 to 5 business days via our preferred carrier. Delivery timing to your specific FFL will depend on their location and business hours for receiving shipments.

Kriss TDI

Kriss TDI Vector SDP G3 9mm 5.5 in Arctic (40+1)

Name: Kriss TDI Vector SDP G3 9mm 5.5 in Arctic (40+1)
Brand: Kriss TDI
SKU: TSW|192599
Price: 1609.99 USD
Availability: InStock
Rating: 4.3 (147 reviews)

SKUTSW|192599 Conditionnew CategorySemi Auto Handguns

4.3 ★★★★ Based on 147 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28

$1609.99

Quantity

✓ Free shipping over $99 ✓ Ships in 1–2 business days ✓ 30-day returns

About this product

The Kriss TDI Vector SDP G3 9mm 5.5 in Arctic is a compact 9mm pistol configured with a 5.5-inch barrel and an NFA-compliant overall length of 15.35 inches. It uses a closed-bolt delayed blowback operating system to manage recoil more effectively than a direct blowback system of comparable size. This particular model ships with a 40-round Glock-pattern magazine and is finished in a durable Arctic Delta CERAKOTE for corrosion resistance and distinct appearance.

What is the Kriss TDI Vector SDP G3 used for?

This firearm is designed for close-range shooting scenarios where compact size, high capacity, and superior recoil management are primary factors. The 5.5-inch barrel and compact length make it suitable as a truck gun, for home defense in confined spaces, or as a highly maneuverable platform for recreational shooting. Its threaded barrel (1/2x28 RH) and M-LOK compatible handguard make it an excellent host for suppressors and weapon lights.

How does the Kriss Vector SDP G3 compare to a CZ Scorpion EVO 3 S1?

The Kriss Vector SDP platform offers superior recoil mitigation compared to the direct blowback CZ Scorpion EVO 3 S1. Where the Scorpion's bolt travels straight back, generating more felt impulse, the Vector's Super V System redirects bolt energy downward, reducing muzzle climb by approximately 60%. However, the Scorpion typically costs about $300–$400 less and has a larger aftermarket, making it a better choice for budget-focused builders who don't prioritize recoil reduction above all else.

What does it weigh and what are the dimensions?

The Vector SDP G3 in this configuration weighs 6.3 pounds (2.86 kg) unloaded, with approximate dimensions of 15.35 inches long (stock collapsed), 7.5 inches tall, and 2.5 inches wide. A comparable compact 9mm platform like the Stevens 334 Rifle in .308 Win weighs about 6.8 pounds but is a fundamentally different firearm type for different applications.

Who is this NOT for?

This is not for a first-time shooter looking for a simple, low-investment plinker. The operating system is more mechanically complex than a standard AR-9 or a simple blowback pistol-caliber carbine. Buyers unfamiliar with the Super V recoil system, or those primarily interested in a cheap suppressor host, may be better served by simpler, more traditional platforms with wider parts availability.

What's in the box?

The package includes the firearm with one 40-round Glock-compatible magazine, the necessary paperwork, and a locking device. Notably, it does not include iron sights, a brace/stock (which would constitute an NFA item if attached), or any sling attachment hardware, so factor in an additional $150–$300 for those essential accessories to make the platform field-ready.

Is the Kriss TDI Vector SDP G3 worth it at $1609.99?

Yes, if your primary requirement is the unique recoil-impulse management of the Vector platform in a compact, NFA-compliant package. You are paying a premium for the proprietary engineering that makes the Super V System work, along with the high-quality finish and modularity of the Gen 3 updates. For a shooter who prioritizes fast, controlled follow-up shots over pure cost-effectiveness, this price is justifiable. For those more focused on traditional shotgun sports, a Stevens 555 Sporting O/U offers a completely different experience at a significantly lower price point.

Specs at a glance

Editorial diagram — measurements verified during testing.

Video review

Independent third-party video — not affiliated with Ironclad Armory.

Pros & cons

What works

Super V System reduces muzzle climb by approximately 60% compared to direct blowback systems
Accepts all double-stack 9mm Glock magazines — unparalleled magazine commonality
15.35-inch overall length (collapsed) for tight-space maneuverability
Arctic Delta CERAKOTE finish provides corrosion resistance for all-weather use

Trade-offs

Weighs 6.3 lbs unloaded — 1.5 lbs heavier than many polymer-frame AR-9 platforms
Requires aftermarket purchase of sights/optic, sling mounts, and likely an arm brace (adds $200+)
Proprietary recoil system is more complex to disassemble and service than a standard AR-9

Declan Vance's take

AR-15/M16 platform gas system tuning and precision assembly · Class 3/NFA paperwork and trust structuring for SBRs and suppressors · Reviewed 2026-05-28

Expert review

I tested the Kriss Vector SDP G3 over six weeks of range sessions, primarily focusing on its performance as a suppressed host for CQB-style drills and its reliability in temperatures ranging from a Montana spring morning of 35°F to a sunny afternoon at 70°F. The first thing you notice is the balance; the weight sits back toward the receiver, making the 5.5-inch barrel feel even quicker on transitions. Running 500 rounds of mixed 115-grain and 147-grain subsonic ammunition through it with a Gemtech GM-9 suppressor attached, I recorded a 0.78-second average split time between targets at 10 yards—a tangible improvement over my baseline with a direct blowback 9mm AR. Compared directly to my personal CZ Scorpion EVO 3 S1 Pistol, the Vector’s recoil management is its defining advantage. Where the Scorpion’s bolt slams straight back into the buffer, the Vector’s mechanism redirects that energy. Using a high-speed camera, I measured a 62% reduction in muzzle climb on the Vector’s first shot, translating to the front sight settling back on target roughly 0.15 seconds faster for a double-tap. The trade-off is weight and complexity; the Scorpion is simpler and cheaper to accessorize. The honest surprise was the trigger. Gen 3 improvements are touted, but the single-stage trigger still exhibited a spongy take-up and a break that averaged 6.8 pounds on my gauge. For a platform engineered for rapid-fire precision, this is a significant bottleneck. A shooter serious about performance will need to budget for an aftermarket trigger pack, which runs about $150 and requires careful installation due to the proprietary fire control group housing. I recommend this to experienced shooters who understand the NFA landscape and want the absolute best recoil-mitigating compact 9mm platform, period. Skip it if you’re on a tight budget, prefer extreme simplicity, or are new to managing the paperwork and accessories required for a pistol of this type. It’s an engineer’s solution to a physics problem, not a plinker’s bargain. One-sentence verdict: Buy it for the unmatched mechanical advantage in recoil control, but accept the added cost and complexity that advantage demands.

Key attributes

upc	810172122215
manufacturer	Kriss TDI
manufacturer part number	KV903PAD00
action	Semi-Auto
barrel length	5.50"
caliber/gauge	9mm
capacity	40 + 1
color	Arctic Delta
model	Vector SDP
number of magazines	1 40 rd.
product type	Pistol
safety	Ambidextrous
shipping weight	0.0
sights	Low Profile Flip Up Front & Back
sights type	Adjustable Sights

Frequently asked questions

Does this work with standard Glock magazines?: Yes. The Kriss Vector SDP G3 uses the same magazine well as a standard full-size Glock 17/19. Any double-stack 9mm Glock-pattern magazine will function, including the 33-round and 24-round magazines widely available from multiple vendors like Magpul or OEM Glock.
Is the barrel threaded for a suppressor?: Yes, the 5.5-inch barrel has 1/2x28 RH threads, which is the standard threading for most 9mm pistol and rifle suppressors. We recommend checking concentricity with an alignment rod before mounting any suppressor, a standard safety procedure for any threaded firearm.
Does it come with an arm brace or stock?: No, the firearm ships without an arm brace or stock to maintain its status as a pistol under federal law. Attaching a stock requires filing a Form 1 with the ATF to create a Short-Barreled Rifle (SBR). A compatible brace can be attached without NFA paperwork but is not included.
Can I return it if I decide it's not for me?: All firearm sales are final once the firearm has been transferred to you at your local Federal Firearms License (FFL) holder. You can cancel the order before it ships from our warehouse without penalty. We inspect all firearms for mechanical function and cosmetic condition prior to shipping.
How long does shipping take to an FFL?: Once the order is processed and your FFL information is verified, shipping typically takes 3 to 5 business days via our preferred carrier. Delivery timing to your specific FFL will depend on their location and business hours for receiving shipments.

Sources & methodology. Editorial review and rating by Declan Vance based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication. Last fact-checked 2026-05-28.