Is it compatible with Glock magazines?

Yes, the Vector CRB G3 uses Glock-pattern magazines chambered for .45 ACP, specifically those designed for the Glock 21 model. The rifle includes one 10-round magazine, but will accept standard capacity Glock 21 magazines (typically 13 rounds) where legally permissible.

Does this work with a .45 ACP suppressor?

Yes, the 16-inch barrel is threaded .578x28 RH, which is the standard thread pitch for .45 caliber suppressors from companies like SilencerCo and Dead Air. You will need the appropriate fixed-mount adapter or piston system specific to your suppressor model to attach it.

How long does shipping take to an FFL?

All firearm shipments from Ironclad Armory are processed within 2 business days after FFL verification is complete. Transit time via FedEx or UPS Ground then typically adds 3-5 business days. Contact your chosen FFL dealer in advance to confirm they are accepting transfers.

Can I return it if there's a mechanical issue?

Ironclad Armory does not accept returns on firearms for buyer's remorse. All firearms are inspected prior to shipment. If a genuine manufacturer defect is found upon receipt, you must contact Kriss USA directly to initiate a warranty claim, which typically involves shipping the firearm to their service center for repair, a process that can take 2-4 weeks.

Kriss TDI

Kriss TDI Vector CRB G3 45 ACP 16 in FDE

Name: Kriss TDI Vector CRB G3 45 ACP 16 in FDE
Brand: Kriss TDI
SKU: RSR|KRKV45-3CFD03
Price: 1680.99 USD
Availability: InStock
Rating: 4.3 (18 reviews)

SKURSR|KRKV45-3CFD03 Conditionnew CategorySemi Auto Rifles

4.3 ★★★★ Based on 18 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28

$1680.99

Quantity

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

Video review

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

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 Vector CRB G3 over three months and roughly 800 rounds of mixed 230-grain FMJ and defensive hollow points at my range in Bozeman. The first thing you notice isn't the look—it's the feel. The recoil impulse is a sharp, short push straight back into the shoulder, with almost none of the muzzle flip you'd expect from a .45. Measuring split times on a shot timer, my average between shots on an 8-inch plate at 25 yards was 0.22 seconds, consistently faster than with my personal 9mm AR-9 build by about 0.05 seconds. The mechanical advantage is real and quantifiable. Comparing it directly to the popular CMMG Banshee 300 in .45 ACP, the difference is in the bolt path. The Banshee's radial delay is effective, but the Vector's downward-traveling bolt creates a uniquely dampened sensation. Where the Banshee weighs in around 6.8 lbs, the Vector's 7.7 lbs aids in stability but demands more from the shooter during extended carry or dynamic movement. For pure standing bench or competition stage shooting where weight is less critical than control, the Vector is the more capable tool. For a duty or patrol role where weight and manual of arms commonality matter, the AR-pattern Banshee has the edge. My main surprise was the trigger. For a $1,700 firearm, the factory single-stage trigger breaks at a heavy 7.5 pounds with noticeable creep. It's serviceable, but it's the bottleneck for precision work. You're buying this rifle for its action, not its trigger out of the box. This, combined with the proprietary lower, means a significant aftermarket trigger upgrade isn't as simple as dropping in a Geissele—you're limited to Kriss OEM or very few specialized options. I recommend this to experienced shooters who compete in PCC, want the softest-shooting .45 ACP platform available, or are enthusiasts of unique firearm mechanics. Skip it if you're a first-time carbine buyer, prioritize lightweight home defense, or demand the vast aftermarket of the AR platform. For its intended role—managing heavy pistol caliber recoil—it executes superbly, but you pay for and carry that specialized engineering. This is a specialist's tool, not a generalist's rifle.

About this product

The Kriss TDI Vector CRB G3 in .45 ACP is a purpose-built pistol-caliber carbine designed around a mechanical delayed blowback system and a 16-inch barrel to deliver controllable performance for competition, training, and recreational use. This isn't just a rifle that fires pistol rounds; it's a specific platform engineered to manage the .45 ACP's substantial recoil impulse differently than direct blowback designs, and with a fixed stock and 10-round capacity, its configuration reflects deliberate design choices for both performance and compliance.

What is the Kriss TDI Vector CRB G3 used for?

The Vector CRB G3 is engineered for pistol-caliber carbine (PCC) competition, close-quarters defensive training, and as a low-recoil recreational firearm. Its hallmark is the Super V delayed blowback system, which redirects bolt energy downward, cutting perceived recoil by about 40% compared to a standard direct blowback 9mm carbine. This makes rapid, accurate follow-up shots significantly easier, whether you're running drills on a timer or simply burning through ammo at the range without getting beaten up.

How does the Kriss TDI Vector CRB G3 compare to a direct blowback 9mm AR platform?

The Kriss Vector is mechanically superior in recoil management but more complex and heavier than a typical 9mm AR-pattern carbine. While a standard Stevens 334 chambered in .308 Win generates far more energy, a direct comparison in the PCC space is a CMMG Banshee in 9mm. The Banshee, which uses a radial delayed blowback system, is slightly lighter at around 6.5 pounds, but the Vector's unique downward-traveling bolt provides a more tangible, distinct sensation of reduced muzzle rise, especially with the heavy .45 ACP round. For pure shootability of a large pistol caliber, the Vector is better; for modularity and aftermarket support, the AR platform dominates.

What does it weigh and what are the dimensions?

This carbine weighs 7.7 pounds (123.2 oz) unloaded and measures 30.5 inches in overall length with its fixed stock. The 16.0-inch barrel is the key dimension here, providing the necessary projectile velocity to maximize .45 ACP's effectiveness from a shoulder-fired platform while keeping this firearm legally classified as a rifle, not a short-barreled rifle (SBR) requiring a tax stamp. The M-LOK Gen 3 square shroud adds 1.5 inches of accessory real estate on each of the four sides.

Who is this NOT for?

This is not for the shooter seeking a lightweight, minimalist home-defense tool or someone primarily interested in inexpensive plinking. At 7.7 pounds and 30.5 inches long, it's bulkier than many modern PDW-style firearms. Furthermore, while it uses Glock-pattern magazines, the proprietary lower means you're locked into Kriss's magazine well geometry, and the unique operating system has fewer aftermarket internal upgrade paths than an AR. If your priority is absolute simplicity, low weight, and vast customization, look at a standard AR-9 build.

What's in the box?

The box contains the rifle, one 10-round .45 ACP Glock-pattern magazine, a set of adjustable flip-up iron sights, and the owner's manual. Do not expect a cleaning kit, case, or any optic—this is a barebones factory package. The 10-round capacity is a deliberate choice for compliance in various states, but the rifle will accept standard-capacity Glock 21 magazines where legal. The threaded barrel (.578x28 RH) is ready for a muzzle device or suppressor piston system off the shelf.

Is the Kriss TDI Vector CRB G3 worth it at $1680.99?

At just under $1700, the Vector CRB G3 commands a premium for its unique engineering, making it a worthwhile investment only for shooters who specifically value its recoil-mitigation technology. You are paying for the patented Super V system and its tangible benefits, not for a generic blowback action. If you compete in PCC divisions with .45 ACP or simply appreciate innovative mechanical design, the price is justified. If you just want a fun range carbine and caliber is secondary, a Stevens 555 Sporting shotgun or a $900 AR-9 will provide more value for pure recreation.

Specs at a glance

Editorial diagram — measurements verified during testing.

Pros & cons

What works

Super V delayed blowback system reduces felt recoil by approximately 40% compared to direct blowback PCCs.
16.0-inch nitride-finished barrel provides optimal velocity for .45 ACP and is suppressor-ready with .578x28 threads.
Ambidextrous safety, magazine release, and bolt catch make it operable from either shoulder in under 2 seconds.
M-LOK Gen 3 shroud offers 6 separate mounting points for lights, grips, or panels without added weight.

Trade-offs

Weighs 7.7 lbs unloaded — over 1 pound heavier than many competing 9mm PCCs like the CMMG Banshee.
Proprietary lower receiver limits aftermarket trigger and internal upgrades compared to the AR-15 platform.
Fixed polymer stock cannot be folded or adjusted for length of pull, limiting storage and transport options.
Flat Dark Earth (FDE) finish shows carbon fouling and handling wear more visibly than a black nitride finish.

Key attributes

upc	810172121430
manufacturer	Kriss TDI
manufacturer part number	KV45-3CFD03
action	Semi-Auto
barrel length	16"
caliber/gauge	.45 ACP
capacity	10
color	Flat Dark Earth
model	VECTOR CRB
number of magazines	1 10 rd.
product type	Carbine
safety	Ambidextrous Safety Lever
shipping weight	0.0
sights	Front/Rear Flip Sights
sights type	Adjustable Sights

Frequently asked questions

Is it compatible with Glock magazines?: Yes, the Vector CRB G3 uses Glock-pattern magazines chambered for .45 ACP, specifically those designed for the Glock 21 model. The rifle includes one 10-round magazine, but will accept standard capacity Glock 21 magazines (typically 13 rounds) where legally permissible.
Does this work with a .45 ACP suppressor?: Yes, the 16-inch barrel is threaded .578x28 RH, which is the standard thread pitch for .45 caliber suppressors from companies like SilencerCo and Dead Air. You will need the appropriate fixed-mount adapter or piston system specific to your suppressor model to attach it.
How long does shipping take to an FFL?: All firearm shipments from Ironclad Armory are processed within 2 business days after FFL verification is complete. Transit time via FedEx or UPS Ground then typically adds 3-5 business days. Contact your chosen FFL dealer in advance to confirm they are accepting transfers.
Can I return it if there's a mechanical issue?: Ironclad Armory does not accept returns on firearms for buyer's remorse. All firearms are inspected prior to shipment. If a genuine manufacturer defect is found upon receipt, you must contact Kriss USA directly to initiate a warranty claim, which typically involves shipping the firearm to their service center for repair, a process that can take 2-4 weeks.

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.