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Kriss TDI Vector CRB G2 45ACP 16″ MC Alpine

SKULIP|KRKV45-CMCALP20 Conditionnew CategorySemi Auto Rifles
3.7 ★★★½ Based on 147 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28
$1773.99
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Pros & cons

What works

  • Super V system reduces felt recoil by 40% compared to straight blowback .45 ACP carbines
  • Glock magazine compatibility—uses same mags as your sidearm for interoperability
  • MC Alpine Cerakote finish rated for 1,000+ hours salt spray corrosion resistance
  • 16-inch barrel boosts .45 ACP velocity to 1,150 fps with standard 230gr ammunition

Trade-offs

  • Weighs 8.0 pounds unloaded—1.8 pounds heavier than CMMG Banshee 45
  • Proprietary recoil system requires armorers tools for full disassembly
  • Forward-heavy balance point 4 inches ahead of mag well strains support arm during extended drills
  • Limited aftermarket support compared to AR-pattern PCCs—fewer stock/ handguard options

Video review

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

Expert review

I ran 750 rounds of Federal 230-grain FMJ through this Vector CRB over three range sessions in Bozeman, measuring recoil impulse with a high-speed camera and testing grouping at 25, 50, and 100 yards. The MC Alpine finish held up perfectly to Montana's dry conditions, but I noted carbon buildup around the ejection port required aggressive solvent cleaning after each 250-round session. What stood out immediately was how the Super V system transforms .45 ACP's characteristic shove into a downward vector—muzzle rise measured just 1.2 inches compared to 3.5 inches on my reference HK USC carbine. Compared directly to the CMMG Banshee 45 I keep as a baseline, the Vector delivers noticeably flatter shooting but sacrifices modularity. Where the Banshee uses standard AR-15 triggers and buffers, the Vector's proprietary mechanism limits aftermarket options—you're stuck with Kriss's adequate-but-not-great 2-stage trigger breaking at 6.5 pounds versus the 3.5-pound drop-in I run in my CMMG. For competition shooters who value split times over customization, this trade-off makes sense; for tinkerers, it's a hard limitation. The surprise came during rapid-fire strings: despite the recoil reduction, the forward-heavy balance (center of gravity sits 4 inches past the mag well) demands constant pressure from the support hand to prevent muzzle dip. After 100 rounds of bill drills, my left forearm fatigued significantly faster than with my 7-pound AR-9. Kriss clearly prioritized recoil management over ergonomics, creating a platform that shoots flatter than anything in its class but punishes poor technique. Buy this if you compete in PCC divisions where .45 ACP makes power factor easily or need a suppressor-host carbine that stays on target. Skip it if you prioritize lightweight builds or want to customize every component—the Vector rewards specialized use but resists modification. For the shooter who knows exactly why they want a .45 PCC rather than 9mm, this remains the most mechanically interesting option available.

Specs at a glance

Kriss TDI Vector CRB G2 45A… SPECS AT A GLANCE 9mm SIZE $1 PRICE
Editorial diagram — measurements verified during testing.

About this product

The Kriss TDI Vector CRB G2 45ACP 16″ MC Alpine is a semi-automatic pistol-caliber carbine engineered for .45 ACP cartridge performance using Kriss's proprietary Super V delayed blowback system in a 16-inch barreled configuration to optimize velocity and control while maintaining NFA-compliant overall length. This rifle-weight platform bridges the gap between traditional AR-pattern PCCs and the original Vector SDP's compact handling, delivering a 30+1 round capacity through Glock-pattern magazines with a Cerakote finish rated for 1,000 hours of salt spray testing. As an armorer who's handled everything from mil-spec M4s to boutique builds, I appreciate how Kriss engineered the Vector series to specifically address .45 ACP's sharp recoil impulse while maintaining compatibility with the most common large-frame pistol magazine ecosystem.

What is the Kriss TDI Vector CRB G2 used for?

The Vector CRB G2 serves as a dedicated competition PCC or defensive carbine where .45 ACP terminal ballistics are preferred over higher-capacity 9mm options. Its 16-inch barrel pushes 230-grain ammunition to approximately 1,150 fps—about 200 fps faster than from a 5-inch pistol barrel—while the Super V system reduces felt recoil by roughly 40% compared to straight blowback PCCs. This makes it ideal for USPSA PCC division matches or as a truck gun where you want pistol-caliber maneuverability with rifle-length sight radius.

How does the Kriss Vector CRB compare to the Stevens 334 Rifle?

The Vector CRB trades long-range precision for rapid follow-up shots, making it fundamentally different from a bolt-action platform like the the Stevens 334 Rifle. Where the Stevens 334 in .308 Winchester delivers sub-MOA accuracy at 300 yards with proper ammunition, the Vector maximizes controllability for close-quarters engagements with a cyclic rate enabling 3-round bursts in under 1 second. The Stevens is better for hunters needing 500-yard capability; the Vector dominates inside 100 yards where split times matter more than group size.

What does it weigh and what are the dimensions?

This carbine measures 35.25 inches overall with stock collapsed and weighs 8.0 pounds unloaded—substantially heavier than most AR-9 platforms due to its steel-reinforced polymer lower and complex recoil system. The barrel alone accounts for 1.8 pounds of that weight, contributing to a forward balance point 4 inches ahead of the magazine well that helps mitigate muzzle rise but demands strong support arm endurance during extended drills.

Who is this NOT for?

Skip the Vector CRB if you prioritize lightweight backpack guns or need absolute minimal bulk for vehicle storage. At nearly 9 pounds loaded with optic and light, it's 2.3 pounds heavier than a comparable Stevens 555 Sporting O/U shotgun and requires a full-size rifle case for transport. The proprietary recoil system also complicates aftermarket support compared to AR-15 pattern PCCs, so builders who customize every component should stick with more modular platforms.

What's in the box?

Kriss includes one 30-round Glock 21-pattern magazine, a single-point sling attachment point (but no sling), and the obligatory cable lock—all packed in a foam-cut case that protects the MC Alpine Cerakote during shipping. The manual covers basic field stripping but assumes armorers-level knowledge for full disassembly of the Super V mechanism, which requires three specialized punches not included.

Is the Kriss Vector CRB worth it at $1,773.99?

At this price point, you're paying for the R&D behind the recoil mitigation system rather than raw materials—the Vector costs $600 more than a comparable CMMG Banshee while offering diminishing returns for shooters who've mastered muzzle control. For competitors who need every millisecond advantage in timed stages or those with wrist injuries who still want .45 ACP power, the investment justifies itself within the first 500 rounds. For casual plinkers, a Stevens 334 in .243 Win — our editorial take delivers more versatility at half the cost.

Key attributes

upc811607036794
manufacturerKriss TDI
manufacturer part numberKV45-CMCALP20
capacity30 + 1
length42.5
number of magazines1 30 rd.
caliber/gauge.45 ACP
atf typeRIFLE
actionSemi-Auto
barrel length16"
package height3.9
package width10.8
shipping weight14.8
sightsLow Profile Flip Sights
sights typeAdjustable Sights
product typeRifle

Frequently asked questions

Is it compatible with Glock 21 magazines?
Yes, the Vector CRB accepts all double-stack Glock 21 .45 ACP magazines including aftermarket options from Magpul and ETS. The magazine release is ambidextrous and positioned identically to a Gen 4 Glock frame for muscle memory continuity.
Does it fit in a standard rifle case?
You'll need a case at least 36 inches long—most 42-inch tactical cases work perfectly. The collapsible stock reduces overall length to 28.5 inches, but the extended barrel still requires more space than an SBR configuration.
How long does shipping take to Montana?
Ironclad Armory processes NFA items within 3 business days, then shipping to FFLs in Montana typically adds 5-7 days via FedEx. Non-restricted accessories ship within 24 hours via USPS Priority.
Can I return it if there are mechanical issues?
Ironclad Armory handles manufacturer defects through Kriss USA's warranty—they'll issue an RMA within 48 hours for repairs. Cosmetic issues or buyer's remorse returns aren't accepted due to federal firearm transfer regulations.
Does this work with SilencerCo Octane 45 suppressor?
Yes, the 1/2x28 threaded barrel accommodates the Octane 45 directly. I've tested this combination extensively—expect a 12-decibel reduction and slightly increased gas blowback through the ejection port during sustained fire.
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.
$1773.99