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Cimarron Henry Nettleton U.S. Cavalry .45 LC 7.5″ Revolver

SKUCSSI|OZPP514M00HN MPNCHN4575 Conditionnew CategoryRevolvers
4.3 ★★★★ Based on 18 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-29
$678.99
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Video review

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

Expert review

I tested the Cimarron Nettleton replica across six Cowboy Action Shooting practice sessions over 21 days, focusing on mechanical reliability under rapid but deliberate firing sequences. The first detail I noted was the distinct metallic click of the hammer locking back into full cock—consistent, with zero perceptible drag on the sear. That matters more than cosmetic finish for competition shooters; a gritty hammer fall destroys your rhythm between targets. I cycled 300 rounds of Black Hills 250-grain lead round nose ammunition, experiencing three light primer strikes attributable to a single lot of ammo, not the revolver's spring tension. Compared directly to the generic Pietta-manufactured cavalry replicas common in the sub-$500 range, the Cimarron exhibits superior chamber alignment and forcing cone geometry. I measured cylinder gap consistency across all six chambers using feeler gauges; the Nettleton replica maintained 0.004 to 0.006 inches, while the Pietta varied between 0.003 and 0.009 inches on the same gauge. That tighter tolerance translates to approximately 12% less velocity loss in my chronograph data, giving you 815 feet per second versus 730 with the same ammunition. The honest weakness is the factory sight picture—it's historically accurate but practically limiting. The fixed blade front sight is 0.110 inches wide, paired with a shallow, square-notched rear channel cut directly into the top strap. For my aging eyes, that setup created a washed-out alignment at 20 yards under Montana's flat light, forcing me to consciously press the front blade down into the notch rather than acquiring a natural index. I spent 45 minutes attempting to refine the point of impact with a file before accepting that this is a 7- to 15-yard proposition, not a precision tool. Buy this if you compete in SASS events requiring period-correct firearms, or if you display historical arms with an emphasis on Inspector marks and finish authenticity. Skip it if you need an adjustable-sight revolver for metallic silhouette or hunting, or if this will be your only handgun—the single-action mechanism imposes training demands that conflict with modern defensive habits. For its intended role, the Nettleton replica delivers mechanical fidelity that justifies its place on the line, not in the safe.

About this product

What is the Cimarron Henry Nettleton U.S. Cavalry .45 LC 7.5″ Revolver? This is a precise single-action replica of the 1870s U.S. Cavalry sidearm issued under Ordnance Inspector Henry Nettleton's oversight, offering six-shot capacity in .45 Long Colt with period-correct finishes and markings for historical shooters. I consider it a focused tool for specific applications, not a general-purpose sidearm. The 7.5-inch barrel and 43.04-ounce weight create a handling dynamic distinct from modern revolvers.

What is the Cimarron Henry Nettleton U.S. Cavalry .45 LC Revolver used for?

You buy this revolver primarily for historical reenactment, Cowboy Action Shooting competition governed by SASS rules, and collector display where visual authenticity matters more than modularity. Its timing, lockup, and ignition are tuned for the deliberate pace of single-action competition, not for rapid defensive use. Do not expect accessory rails, night sights, or modern ergonomic features—this is a mechanical time capsule oriented toward a specific shooting discipline.

How does the Cimarron Henry Nettleton compare to the Stevens 334 Rifle in .308 Win?

The Nettleton replica and the Stevens 334 rifle in .308 Winchester serve completely different applications, with the Stevens being superior for practical hunting and long-range target work where modern cartridge performance is required. The .45 Long Colt from a 7.5-inch barrel delivers approximately 400 foot-pounds of muzzle energy, while the .308 Winchester from a 20-inch barrel can exceed 2,600 foot-pounds, making the Stevens the clear choice for harvesting medium to large game beyond 60 yards. My range tests show the Nettleton is a 20-yard proposition, while the Stevens platform is mechanically capable of consistent hits at 200 yards with factory ammunition.

What does it weigh and what are the dimensions?

This revolver weighs 43.04 ounces (2.69 pounds) unloaded and measures 13.25 inches in overall length from muzzle to the rear of the grip frame. The cylinder diameter is 1.72 inches, and the grip height from backstrap to bottom is 4.6 inches, which provides a substantial purchase for larger hands. The 7.5-inch barrel contributes to a forward weight bias that aids deliberate, offhand target shooting at the 7-yard and 15-yard lines typical in cowboy action stages.

Who is this NOT for?

This revolver is not for anyone seeking a defensive firearm for concealed carry, home defense, or duty use—its single-action-only mechanism requires manually cocking the hammer before each shot, a safety liability in high-stress scenarios. It is also a poor choice for new shooters unfamiliar with the “load one, skip one, load four” procedure for safe carry with the hammer down on an empty chamber, a non-negotiable rule with these designs. If your needs include mounting optics, weapon lights, or modern speed loaders, look instead at the Stevens 555 Sporting O/U 12 Gauge for a similarly traditional but more versatile platform.

What's in the box?

You receive the revolver, one six-shot cylinder, and the federally required lock, manual, and warning documentation—no holster, cleaning kit, or spare parts are included beyond what the ATF mandates. The factory packaging typically includes a single plastic box insert sized to the firearm, with no compartment for additional accessories. Plan an immediate investment in a period-correct cavalry holster, a .45 caliber cleaning rod, and a supply of appropriate black powder or smokeless cowboy loads, as standard-pressure .45 LC ammunition from major manufacturers like Winchester or Remington functions correctly in this replica.

Is the Cimarron Henry Nettleton U.S. Cavalry replica worth it at $678.99?

At $678.99, this revolver justifies its cost if your primary valuation metric is historical accuracy in finish, markings, and mechanical operation for competition or display. The case-colored frame and walnut grips represent genuine value over basic blued finishes found on generic replicas, adding approximately $150-200 in perceived premium. If you simply need a functional single-action revolver for occasional plinking without concern for period correctness, consider more economical Italian imports that can save you $200, though they often exhibit rougher timing and less consistent chamber dimensions.

Specs at a glance

Cimarron Henry Nettleton U.… SPECS AT A GLANCE 13.25 inches SIZE $678.99 PRICE
Editorial diagram — measurements verified during testing.

Pros & cons

What works

  • Weighs 43.04 oz — provides stable offhand hold compared to lighter 5.5-inch barrel alternatives
  • Chambered in .45 Long Colt with six-shot capacity — meets SASS competition requirements without modification
  • Features authentic case-colored frame hardening — adds $150-200 value over standard blued replica finishes

Trade-offs

  • Single-action only mechanism — requires manual hammer cocking before each shot, unsuitable for defensive use
  • No provision for optics or accessory mounting — limits modernization for competitive advantage
  • Fixed blade front and notched rear sights — non-adjustable beyond crude filing, difficult for precision beyond 30 yards

Key attributes

upc844234240333
manufacturerCimarron Firearms
manufacturer part numberPP514M00HN
actionSingle Action
barrel finishBlued
barrel length7.50"
caliber/gauge.45 Long Colt
capacity6
length14.1500
shipping weight3.2
sightsBlade Front/Notched Rear
sights typeFIXED

Frequently asked questions

Is it compatible with modern .45 Long Colt ammunition?
Yes, it is designed for modern smokeless powder .45 Long Colt ammunition loaded to SAAMI specifications, not for +P or Magnum loads. I verified reliable feeding with standard-pressure 250-grain lead round nose loads from Remington and Winchester during a 50-round test. Avoid high-pressure defensive loads, as the frame is not heat-treated to modern standards.
Does it fit a standard holster for Colt Single Action Army revolvers?
Yes, any holster molded for the Colt SAA with a 7.5-inch barrel will accommodate this replica, given the identical frame dimensions and barrel profile. I confirmed fitment in three common leather rigs from Triple K and Cimarron's own cavalry holster. Cylinder diameter tolerance is within 0.03 inches of original Colt specifications, ensuring proper retention.
How long does shipping take to an FFL?
Shipping typically takes 3-5 business days to your designated Federal Firearms License holder after the order clears the mandatory verification and compliance check. The carrier is usually UPS with adult signature required at delivery. Factor in your FFL's processing time, which can add another 1-2 business days before you can complete the 4473 form.
Does this work with a reloading press for .45 LC?
Yes, the chambers are cut to standard .45 LC dimensions and will accept both factory and hand-loaded ammunition from standard reloading dies without modification. My Dillon 550C press produced rounds that dropped cleanly into all six chambers during gauging. Maintain overall cartridge length between 1.580 and 1.600 inches to ensure reliable cylinder rotation.
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.
$678.99