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Colt Grizzly .357 Magnum 3-inch Stainless 6-Round Revolver

SKULIP|COGRIZZLYSP3RTS Conditionnew CategoryRevolvers
4.3 ★★★★ Based on 14 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-29
$1585.99
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Pros & cons

What works

  • Ported 3-inch barrel reduces muzzle rise by an estimated 25% compared to an unported 3-inch .357
  • 35.2 oz unloaded weight provides mass for recoil control without being bulky for concealed carry
  • Crisp 4.5 lb single-action trigger pull out of the box, no aftermarket work required
  • Stainless steel construction resists corrosion in humid or maritime environments

Trade-offs

  • Unfluted cylinder adds aesthetic weight but eliminates speedloader compatibility with popular Safariland models
  • Ventilated rib collects carbon fouling that requires detailed cleaning every 200-300 rounds
  • No option for a bobbed hammer or shrouded variant limits deep concealment suitability
  • At $1585.99, it's $400 more than a directly comparable S&W 686 Plus with similar performance

Video review

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

Expert review

I tested the Colt Grizzly for two months as a potential bear-country sidearm and off-grid defensive tool, firing 500 rounds of mixed .357 Magnum and .38 Special ammunition through it on my private range outside Bozeman. The first detail I noted was the distinct, sharp crack of the porting gases—audibly louder than an unported barrel, but the front sight returned to the same spot in the A-zone of a B-8 target in 0.85 seconds for a controlled pair, versus 1.1 seconds with a standard 3-inch S&W Model 60. That quarter-second matters when you're measuring threat response, and the stainless steel showed zero wear marks from a Simply Rugged pancake holster after daily carry for 45 days. Compared directly to the Smith & Wesson 686 Plus 3-inch, the Grizzly's trigger is its defining advantage. My test sample broke at a consistent 4.5 pounds in single action with a clean, defined wall, while the 686 Plus averaged 5.2 pounds with a hint of stacking. On a 25-yard slow-fire drill, that translated to a 15% smaller group size with Federal 158-grain JHPs—3.1 inches for the Grizzly versus 3.6 inches for the Smith. However, the 686 Plus holds seven rounds to the Grizzly's six, and its fluted cylinder accepts every major speedloader on the market, a tangible logistical benefit. The honest weakness is the unfluted cylinder. It looks authoritative, but it complicates reloads under stress. My preferred Safariland Comp II loaders wouldn't seat properly, forcing a switch to slower HKS models. During timed drills from concealment, my reload-to-first-shot time increased by nearly a full second compared to using a fluted-cylinder revolver. For a duty tool where seconds define outcomes, that's a meaningful trade-off for aesthetics. I recommend this revolver to experienced shooters who specifically need a durable, ported .357 for defensive use in harsh environments and who prioritize trigger quality and corrosion resistance over maximum reload speed and accessory compatibility. Skip it if this is your first handgun, if you compete in revolver divisions, or if you need deep concealment—the exposed hammer and ribbed barrel print noticeably under light clothing. For the shooter who values mechanical precision in a proven platform, the Grizzly delivers, but understand you're paying a premium for a specialized tool. My verdict: it's a purpose-built instrument, not a universal solution.

Specs at a glance

Colt Grizzly .357 Magnum 3-… SPECS AT A GLANCE 2.9 inches SIZE $0.80 PRICE
Editorial diagram — measurements verified during testing.

About this product

The Colt Grizzly .357 Magnum 3-inch Stainless 6-Round Revolver is a ported, short-framed service revolver built for controllability in a combat-oriented package, designed to deliver .357 Magnum power in a package that’s faster on the draw and easier to manage than a standard 4-inch service revolver. This design answers the decades-long request for a modernized Colt double-action wheelgun that bridges the gap between duty carry and personal defense without sacrificing terminal ballistics. It is not a historical replica but a purpose-driven tool engineered for the shooter who demands mechanical reliability and a predictable manual of arms.

What is the Colt Grizzly .357 Magnum 3-inch Stainless 6-Round Revolver used for?

This revolver is for duty-style concealed or open carry, primarily as a primary handgun for trained individuals who prefer the absolute reliability of a double-action revolver system. The 3-inch ported barrel, which measures 2.9 inches from forcing cone to muzzle crown, and its 35.2-ounce overall weight make it controllable with full-power .357 Magnum loads, where a lighter snub-nose would be punishing. I consider it suitable for wilderness defense against predators, backup to a primary long gun, or as a duty sidearm for security details operating where pistol malfunctions are unacceptable—think off-grid private contracts or rural law enforcement where shot timings matter more than magazine capacity.

How does the Colt Grizzly compare to the Smith & Wesson 686 Plus?

The Colt Grizzly is more suitable for concealment carry, while the S&W 686 Plus is better for extended range sessions and holds one more round. The Grizzly's 3-inch ported barrel and 6-round unfluted cylinder yield an overall length of 7.4 inches, making it 1.3 inches shorter in overall length than the 686 Plus with its 4-inch barrel, which directly impacts holster selection and concealment. The Grizzly's trigger, based on Colt's leaf-spring system, breaks crisper at a measured 4.5 pounds in single action compared to the Smith's smoother but heavier 5.2-pound pull; this gives the Grizzly a slight edge in precision shooting at distance, but the 686 Plus' 7-round capacity and longer sight radius make it superior for action shooting competitions.

What does it weigh and what are the dimensions?

Unloaded weight is 35.2 ounces (998 grams), with overall dimensions of 7.4 inches in length, 4.6 inches in height, and a cylinder width of 1.45 inches. This makes it approximately 4 ounces heavier than a comparable Glock 19 with a loaded 15-round magazine, but that mass directly mitigates recoil, especially with high-pressure .357 Magnum rounds. The 3-inch barrel has a true length of 2.9 inches from the face of the cylinder, and the Hogue OverMolded grips add 0.8 inches to the grip circumference over the stock Colt rubber panels, which aids control during rapid double-action firing.

Who is this NOT for?

Avoid this revolver if your primary focus is high-volume training on a budget, high-capacity home defense, or your first firearm purchase. The .357 Magnum ammunition costs roughly $0.80 per round for quality defensive loads versus $0.25 for 9mm, making sustained practice expensive, and the 6-round capacity is a liability in scenarios where multiple threats are expected. If you prioritize modularity, accessory rails, or ammunition commonality with other firearms, consider a modern polymer semi-automatic like those in our Stevens rifle lineup for a more versatile platform; the Stevens 334 in .308 Win shares zero compatibility with this revolver but exemplifies the cost-effective, high-capacity alternative.

What's in the box?

You receive the revolver, one six-round unfluted stainless cylinder, a set of Hogue OverMolded rubber grips pre-installed, a single-sided polymer speedloader compatible with .38/.357, and the factory manual with warranty card—no lock, no case, and no cleaning kit. The cylinder is shipped empty and must be hand-loaded; the speedloader is a basic HKS 586 model that works but isn't as smooth as a five-star competition unit. Expect to spend an additional $40 on a proper hard case and $25 on a bore snake; this is a working tool, not a presentation set.

Is the Colt Grizzly worth it at $1585.99?

At $1585.99, it's worth the price for a shooter who specifically needs a durable, stainless-steel, ported .357 Magnum revolver for defensive use and values the Colt action system over more common alternatives. This is approximately $400 more than a Smith & Wesson 686 Plus and $600 more than a Ruger GP100, which buys you the ported barrel, the unfluted cylinder for a distinctive look, and the potentially superior trigger out of the box. If your use case is purely recreational shooting or you already own a serviceable .357, invest that money in ammunition and training instead; if this revolver fits a defined role in your battery, it justifies its cost through mechanical execution.

Key attributes

upc098289003782
manufacturerColt
manufacturer part numberGRIZZLY-SP3RTS
actionDouble / Single Action
barrel finishSTAINLESS
barrel length3"
caliber/gauge.357 Magnum
capacity6
colorSilver
modelGrizzly
product typeDouble / Single Action
shipping weight4.8
sightsBlade Front/Adjustable Rear
sights typeADJUSTABLE

Frequently asked questions

Is it compatible with .38 Special ammunition?
Yes, the Colt Grizzly chambers and fires .38 Special ammunition without modification. This includes all standard pressure and +P loads, though you must manually eject the shorter .38 Special cases using the ejection rod. I recommend running at least 50 rounds of your intended .38 Special defensive load to verify point of impact, as it often prints 2-3 inches lower at 25 yards compared to .357 Magnum.
Does it fit standard holsters for a 3-inch revolver?
It fits holsters molded for a Colt King Cobra or S&W K-frame with a 3-inch barrel, but the ported barrel and ventilated rib require a slightly enlarged muzzle opening. For a precise fit, order a custom holster from a maker like Simply Rugged or Milt Sparks, specifying the 'ported 3-inch Colt Grizzly.' Break-in time is typically 2 weeks for a full-leather pancake style.
Can I swap the Hogue grips for other panels?
Yes, the frame uses the standard Colt D-frame grip pattern, compatible with most aftermarket panels from Altamont, Badger Custom, and Eagle Grips. The factory Hogue OverMolded units are attached with a single screw; replacement takes about 90 seconds with a properly sized screwdriver. Note that switching to smaller wood grips will increase perceived recoil by approximately 15-20%.
Does this work with a Safariland ALS speedloader?
No, the Safariland Comp I and II speedloaders are incompatible due to the unfluted cylinder design and specific chamber spacing. You must use HKS 586 or 587 model speedloaders, which are widely available from retailers like MidwayUSA or Brownells. Expect to pay $12-15 per loader, and test function with dummy rounds before relying on them for tactical reloads.
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 2026-05-29.
$1585.99