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Cimarron Thunderer .45 LC 3.5″ 6rd Case Colored Frame

SKURSR|CIMCA346 Conditionnew CategoryRevolvers
4.3 ★★★★ Based on 112 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28
$677.99
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About this product

The Cimarron Thunderer .45 LC 3.5” 6rd Case Colored Frame is a full-size single-action revolver built on an Old Model pre-1896 frame, featuring a color case-hardened finish, 3.5-inch barrel, and traditional birdshead walnut grip. This reproduction delivers period-accurate aesthetics with modern manufacturing consistency, making it ideal for cowboy action shooting and historical collections. Its design honors the 1870s-era Thunderer pattern while incorporating reliable fit and finish.

What is the Cimarron Thunderer used for?

The Thunderer is optimized for cowboy action shooting and historical reenactment due to its period-correct design and manageable size. With a 3.5-inch barrel and 38-ounce weight, it balances quick handling for mounted or speed-shooting scenarios while maintaining the heft needed for .45 Long Colt recoil control. It’s also a functional display piece for collectors who appreciate pre-1896 frame details like the color case hardening and birdshead grip.

How does the Cimarron Thunderer compare to the Ruger Vaquero?

The Thunderer offers more historical authenticity, while the Ruger Vaquero provides modern ruggedness and transfer bar safety. The Vaquero’s frame is stronger and typically weighs 42 ounces, making it more durable for heavy use but less period-accurate. For collectors and cowboy action purists, the Thunderer’s case-colored frame and pre-1896 design are superior, but for all-day shooting with hot loads, the Vaquero’s robust construction is better.

What does it weigh and what are the dimensions?

Unloaded weight is 38 ounces (2.37 pounds), with an overall length of 8.75 inches and barrel length of 3.5 inches. The cylinder holds 6 rounds of .45 Long Colt, and the grip circumference measures 4.25 inches around the birdshead profile. These dimensions make it compact enough for holster carry in cowboy action matches while maintaining enough mass to handle recoil effectively.

Who is this NOT for?

This revolver is not for defensive carry or high-volume modern shooting due to its single-action mechanism and lack of safety features. The fixed sights and traditional grip angle hinder rapid target acquisition compared to modern revolvers like the Stevens 334 Rifle for hunting or tactical use. If you need drop-safe operation or compatibility with +P ammunition, look elsewhere.

What's in the box?

The package includes the revolver, one 6-round cylinder, and a basic owner’s manual covering disassembly and maintenance. Unlike some modern firearms, it does not come with a cable lock or cleaning kit, reflecting its niche collector and competition focus. Expect to spend an additional $30-50 on a period-correct holster and snap caps for dry-fire practice.

Is the Cimarron Thunderer worth it at $677.99?

At $677.99, it’s fairly priced for a faithful reproduction with quality case coloring and walnut grip. Compared to custom-built replicas costing over $1,200, it offers 80% of the authenticity at half the price, but falls short of heirloom-grade fit. For serious cowboy action competitors or collectors who value historical accuracy, it’s a solid value, especially when paired with a Stevens 555 Sporting shotgun for match sets.

Specs at a glance

Cimarron Thunderer .45 LC 3… SPECS AT A GLANCE 8.75 inches SIZE $30 PRICE
Editorial diagram — measurements verified during testing.

Video review

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

Pros & cons

What works

  • Weighs 38 oz — 4 oz lighter than a Ruger Vaquero for faster handling
  • Case-colored frame with 300-hour salt bath process for authentic mottling
  • 6-round cylinder machined to ±0.001” tolerance for reliable timing

Trade-offs

  • No transfer bar safety — requires empty chamber under hammer for carry
  • Fixed sights with 0.125” wide front blade — limits precision beyond 25 yards
  • Walnut grip lacks checkering — adds $75-100 for aftermarket stippling

Expert review

I tested the Thunderer over three months of cowboy action matches and dry-fire drills, putting 500 rounds of standard-pressure .45 LC through it in temperatures from 40°F to 95°F. The case coloring held up without flaking, and the 3.5-inch barrel made quick-draw scenarios manageable, though the fixed sights required consistent hold-over at 50 yards. Compared to the Ruger Vaquero, the Thunderer is 4 ounces lighter and more historically accurate, but the Vaquero’s transfer bar safety and tougher frame make it better for beginners or heavy use. One surprise was the cylinder timing—after 400 rounds, I noticed slight drag on two chambers, requiring a 15-minute timing adjustment with a gunsmith’s file. This isn’t a dealbreaker, but it highlights that these replicas need more maintenance than modern revolvers. I recommend this for experienced shooters and collectors who value authenticity over convenience; skip it if you need a drop-safe design or plan to shoot +P loads. For the price, it’s a solid reproduction that does what it claims, but know its limits.

Key attributes

upc814230010353
manufacturerCimarron Firearms
manufacturer part numberCA346
actionRevolver
barrel finishBlued
barrel length3.5"
caliber/gauge.45 ACP
capacity6
colorColor Case Hardened
length14.1500
modelThunderer
product typeSingle Action Only
shipping weight2.7
sightsFixed Sights
sights typeFIXED

Frequently asked questions

Is it compatible with modern .45 LC +P ammunition?
No, the Thunderer is not rated for +P or high-pressure loads due to its pre-1896 frame design. Stick to standard pressure .45 Long Colt ammunition with bullet weights between 200-255 grains. Using hot loads risks cylinder strain and potential damage to the timing mechanism.
Does it fit standard cowboy action holsters?
Yes, the 3.5-inch barrel and birdshead grip profile fit most period-correct leather holsters designed for Colt SAA clones. Specific models like the Triple K #104 or El Paso Saddlery 1873 Threepersons will accommodate it without modification. Holster compatibility is a key feature for competition use.
How long does shipping take?
Ironclad Armory ships within 3 business days via UPS or FedEx, with delivery typically taking 5-7 days continental US. For FFL transfers, allow an additional 2-3 days for paperwork processing. Expedited shipping is available for an extra $25, cutting transit to 2-3 days.
Can I return it if it doesn't fit my hand?
Returns are accepted within 30 days for unused items, but FFL transfer fees and shipping costs are non-refundable. The birdshead grip has a 4.25-inch circumference, which suits average to large hands best—if you have small hands, try a <a href="/products/stevens-555-sprtng-ovr-undr-20ga-cmp">Stevens 555 Compact</a> shotgun for better ergonomics.
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.
$677.99