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Smith & Wesson Model 610

The is a large-frame, double-action chambered in , constructed from with a six-round capacity and offered in 4-inch or 6.5-inch barrel lengths, designed for applications including target shooting, , and . Originally introduced by in 1990 as part of the N-frame lineup to capitalize on the growing popularity of the 10mm cartridge, the Model 610 was produced in limited quantities initially, with subsequent runs from 1998 to 2004 and a brief revival in 2009 before being discontinued. In 2019, reintroduced the Model 610 with modern updates, including a one-piece barrel design and compatibility with both and ammunition due to their similar case dimensions, facilitating faster reloading via moon clips. The model remains in production as of 2025, including a variant. Notable features include an adjustable rear sight, a red ramp front sight, synthetic grip panels, and a smooth double-action trigger pull, contributing to its reputation for accuracy and reliability in high-power applications. Weighing 42.6 ounces for the 4-inch model and 50.1 ounces for the 6.5-inch variant, the 's robust build supports its use with full-power 10mm loads while maintaining the classic .

History

Development

The cartridge emerged in the early as a high-performance round designed to bridge the gap between traditional calibers and modern semi-automatic pistols, offering superior power for and applications. Developed collaboratively by firearms expert and , it was standardized in 1983 for the Dornaus & Dixon pistol, with initial factory loads achieving pressures up to 37,500 psi and velocities around 1,200 fps for 200-grain bullets. This cartridge provided significant advantages over the , delivering comparable or greater muzzle energy (often exceeding 600 foot-pounds) and deeper penetration with similar-weight bullets, while maintaining compatibility with semi-automatic platforms for higher capacity. Its rise gained momentum following the , which highlighted deficiencies in 9mm performance; subsequent FBI trials in the late led to the agency's adoption of the 10mm in 1989 for units like the , praising its barrier penetration and . Smith & Wesson recognized the 10mm's potential amid the Bren Ten's commercial challenges and the FBI's endorsement, deciding in the late to adapt their proven N-frame platform—originally engineered for large-bore revolver cartridges like the in the Model 29—to accommodate this round. The company aimed to capitalize on the cartridge's growing popularity by offering a reliable alternative that could leverage the 10mm's power without the reliability issues plaguing early semi-autos. This adaptation built on the N-frame's robust construction to handle the 10mm's rimless design, which required innovative loading solutions like moon clips for proper headspacing. Engineering the Model 610 presented challenges in managing the 10mm's high pressures, which approached 37,500 and demanded reinforced components to prevent cylinder expansion or . addressed this by utilizing a heavy-duty N-frame with a six-shot designed to headspace the rimless cartridges securely via moon clips, while introducing a fluted to reduce overall weight without compromising strength. Additionally, the featured a hammer-mounted for reliable ignition under the cartridge's demanding loads, ensuring consistent primer strikes despite the higher operating pressures compared to traditional rounds. The Model 610's debut followed in 1990.

Production Timeline

The Smith & Wesson Model 610 revolver entered production in 1990, capitalizing on the initial hype surrounding the 10mm Auto cartridge, which had gained attention following its adoption by the FBI after the 1986 Miami shootout. The initial manufacturing run lasted until 1992 and produced approximately 4,500 units, featuring 5-inch or 6.5-inch barrel lengths, all with fluted cylinders. Production was halted due to declining popularity of the full-power 10mm cartridge, as the FBI shifted to a lighter "10mm Lite" loading in the early 1990s, which ultimately evolved into the .40 S&W round and reduced demand for high-pressure 10mm firearms. In 1998, the Model 610 was reintroduced as the 610-1 variant to meet demand in competitive circles, with production continuing through 2005 as the 610-1 and 610-2 variants; these incorporated internal updates for compliance with match regulations, while maintaining the 6.5-inch barrel option and adding a 4-inch variant in later years. A brief revival occurred in 2009, with limited output targeted at collectors amid sporadic interest in the 10mm platform. The Model 610 saw its most recent reintroduction in March 2019 as the 610-3, driven by a resurgence in popularity for and applications, with ongoing modern production featuring 4-inch and 6.5-inch barrels and enhanced compatibility for faster reloading. In July 2025, introduced a Lipsey's exclusive Model 610 Mountain Gun variant, featuring a 4-inch barrel and no internal lock, chambered in . Throughout its timeline, production fluctuations have been influenced by volatile market demand for the 10mm cartridge, challenges in sourcing high-quality for the N-frame construction, and 's broader strategic pivot toward polymer-framed handguns in other product lines during periods of low revolver interest.

Design

Construction and Materials

The Smith & Wesson Model 610 is constructed on the large N-frame platform, a robust design engineered to withstand the high pressures generated by powerful cartridges comparable to magnum loads. This frame provides the necessary strength and rigidity for reliable operation under demanding conditions, with an overall build emphasizing durability for extended use. The employs full construction throughout its major components, including the , barrel, and , which enhances corrosion resistance and overall structural integrity. This material choice contributes to the Model 610's weight, ranging from approximately 42.6 ounces for the 4-inch barrel variant to 50.1 ounces for the 6.5-inch barrel version, balancing heft for with portability. The barrel is a one-piece forging featuring a full underlug profile for improved balance and weight distribution, available in lengths from 3.875 inches to 6.5 inches across variants. This design includes an integral rib along the top for rigidity and sight mounting stability. The six-shot cylinder is also stainless steel and fluted to reduce weight while maintaining strength, measuring approximately 1.70 inches in width (diameter) and 1.575 inches in length. It incorporates machined grooves to accommodate moon clips, enabling efficient loading and extraction of rimless cartridges without compromising functionality.

Mechanism and Features

The Smith & Wesson Model 610 operates as a double-action/single-action built on the large N-frame platform, allowing the user to fire either by pulling the fully for double-action mode or cocking the manually for single-action mode. Early models (610-1 and 610-2) feature a hammer-mounted , while later variants (610-3 and beyond) incorporate a frame-mounted for enhanced drop-safety, reducing the risk of accidental discharge if the is dropped. Trigger pull weights typically range from 9 to 12 pounds in double-action and 3 to 5 pounds in single-action, providing a balance of security and precision for defensive or hunting applications. Loading and unloading are facilitated by a swing-out that pivots to the left via a thumb latch, enabling simultaneous extraction and ejection of spent casings through a star ejector rod. The Model 610 is chambered for rimless cartridges ( or ), necessitating the use of moon clips for reliable headspacing and extraction; these are required for .40 S&W due to its shorter case length but optional—though recommended—for , with three full-moon clips typically included with new 10mm models. This design supports rapid reloading, particularly in competitive or field scenarios, while the six-round capacity maintains compatibility with the revolver's robust construction for durability under high-pressure loads. Safety mechanisms include an internal hammer block, standard on post-1998 revolvers, which prevents the from contacting the primer unless the is fully depressed, serving as a drop-safety feature without an external manual safety. Cylinder lockup is achieved via a single locking that engages notches on the , ensuring and security during firing, with the retracting only when the is opened. Later models also incorporate a key-activated internal lock mechanism, located just above the cylinder release, which immobilizes the and when engaged, providing storage security and including two keys plus a cable . Among its distinctive operational elements, the Model 610 features synthetic wraparound grips with finger grooves in modern iterations, designed to enhance control and mitigate from powerful 10mm loads. The revolver's exposed allows for thumb-cocking in single-action mode, promoting accurate follow-up shots, while the overall emphasizes reliability in adverse conditions due to its components.

Sights and Ergonomics

The Smith & Wesson Model 610 is equipped with an interchangeable black blade front sight and an adjustable white-outline rear notch sight, enabling precise adjustments for and to suit various conditions. The rear sight's design provides clear visibility, while the front sight's interchangeability allows users to swap components for improved . Additionally, the N-frame construction supports optional optic mounts on the frame or top strap, accommodating modern sighting systems for enhanced accuracy in low-light or dynamic scenarios. The revolver's grips consist of black synthetic material with integrated finger grooves, promoting secure handling and reducing during extended shooting sessions; these grips measure approximately 5.25 inches in and feature a textured, slightly sticky surface for better control. The overall length ranges from 9.5 inches on models with a 4-inch barrel to 12 inches on those with a 6.5-inch barrel, contributing to a balanced feel that supports steady aiming despite the firearm's substantial size. For customization, the N-frame design is compatible with grips, including wood and rubber options from manufacturers like Altamont Company, allowing users to tailor fit and aesthetics to personal preferences. Ergonomically, the Model 610's N-frame features smooth contours that minimize snagging on clothing or holsters, facilitating smoother and carry. Its unloaded weight, between 42.6 ounces for shorter-barreled variants and 50.1 ounces for longer ones, provides inherent stability to manage from potent 10mm loads, enhancing shooter control without excessive muzzle flip. The trigger guard is proportioned for gloved operation, accommodating larger hands or winter gear while maintaining accessibility. The updated cylinder release thumb piece, positioned forward of the , supports rapid reloading via included clips, making the well-suited for competitive disciplines like IDPA Revolver matches where quick cylinder swaps are essential.

Variants

Original Production (1990–1992)

The Smith & Wesson Model 610, introduced in 1990, was the initial N-frame chambered in , aimed at enthusiasts of the high-power cartridge. It featured 5-inch or 6.5-inch barrel lengths, a fluted for reduced weight, a hammer-mounted system, and a matte finish on the frame, , and barrel. Moon clips were not included as standard equipment, so users loaded and unloaded cartridges individually or obtained clips separately for speedloading. Production ran from 1990 to 1992, with approximately 4,500 to 5,000 units made, making them rare collector items today. Current market values range from $800 to $1,200 as of 2023, depending on condition. These early models lacked modern internal safety features like a frame-mounted or transfer bar, and some exhibited heavier pulls, providing a deliberate double-action feel typical of the period. They prioritized robust construction for the 10mm's ballistics in a format.

Reissue Models (1998–present)

The Model 610 was reintroduced in 1998 as the 610-1, featuring a frame-mounted for improved and an internal transfer bar as a hammer block to prevent accidental discharge without trigger pull. Primarily offered with a 6.5-inch barrel, it included refinements for reliability with both and ammunition. Production of the 610-1 continued until 2004. The 610-1 was suitable for use in the International Defensive Association's (IDPA) Enhanced Service Revolver division, meeting weight and dimension rules, though it saw limited competition success compared to models. In 2001, the Model 610-2 introduced an unfluted cylinder and a 4-inch barrel option, while retaining the safety features of the 610-1. A variant known as the Model 610 Classic Hunter, produced in 1998, featured an unfluted 6.5-inch barrel for a more premium appearance. A limited run in 2009 produced Model 610 revolvers similar to the 610-1 and 610-2, with a polished finish. The 2019 reintroduction, designated as the Model 610-3, expanded to 4-inch and 6.5-inch barrels with a one-piece barrel design for improved alignment and accuracy. Features include black synthetic finger-groove grips, full moon clip compatibility for , and weights of 42.6 ounces (4-inch) and 50.1 ounces (6.5-inch). Double-action trigger pulls average 10 to 12 pounds, with tighter tolerances. MSRP ranged from $1,000 to $1,100 as of 2019. This revival addressed demand for 10mm revolvers in defense and sport. In July 2025, , in partnership with Lipsey's, introduced the as a limited exclusive variant. Built on a round-butt N-frame with a 4.25-inch tapered one-piece barrel, it features a gold bead blade front sight, adjustable rear sight, no internal lock, construction, and Gun Grips. Weighing approximately 41 ounces, it includes three moon clips and is chambered in (compatible with ). MSRP is around $1,200 as of 2025.

Performance and Applications

Ballistics and Handling

The Smith & Wesson Model 610 excels in ballistics when chambered for 10mm Auto, particularly with its standard 6.5-inch barrel, where full-power loads deliver muzzle velocities ranging from 1,100 to 1,300 fps and muzzle energies of 600 to 700 ft-lbs. For instance, a 180-grain jacketed hollow point load chronographed at 1,236 fps, generating 611 ft-lbs of energy. In comparison, .40 S&W ammunition produces milder performance, typically yielding 400 to 450 ft-lbs of muzzle energy and velocities of 1,000 to 1,100 fps from the same barrel length, as demonstrated by a 175-grain load at 1,050 fps with 428 ft-lbs. Shorter 4-inch barrel variants experience a velocity drop-off of approximately 100 fps relative to the 6.5-inch model across both calibers. Recoil management is a standout feature of the Model 610, thanks to its robust N-frame design, which weighs around 49 to 50 ounces in longer-barrel configurations and better absorbs the sharp impulse of 10mm loads compared to semi-automatic pistols. The felt with full-power 10mm is similar to that of rounds in a comparable , moderated further by the full underlug barrel and synthetic grips that minimize during rapid fire. .40 S&W loads produce noticeably milder kick, allowing for quicker follow-up shots without fatigue. Accuracy testing highlights the Model 610's precision, with adjustable sights enabling sub-2-inch groups at 25 yards for most 10mm loads under controlled conditions. Handling in double-action mode benefits from a smooth but heavy 10-pound trigger pull, which can slow successive shots compared to single-action fire but maintains consistent pointability due to the revolver's balanced weight distribution. Maintenance is straightforward for the Model 610, featuring simple field-stripping via the cylinder release and crane removal, which facilitates thorough of high-pressure residue from 10mm cartridges in the bore, chambers, and forcing cone. With regular and use after range sessions, the demonstrates exceptional , reliably functioning beyond 10,000 rounds without significant wear.

Usage Contexts

The Smith & Wesson Model 610 has been used in competitive shooting circles, including the (IDPA) Revolver division. Its six-shot cylinder, when loaded via moon clips, facilitates swift reloads essential for the timed stages of practical , allowing competitors to maintain pace without the delays associated with traditional speedloaders. This design feature aligns well with IDPA's emphasis on defensive scenarios, where the revolver's robust N-frame construction handles the 10mm cartridge's recoil effectively during rapid fire sequences. In the United States Practical Shooting Association (USPSA) division, the Model 610 can serve as an option for shooters seeking major , typically achieved with full-power 10mm loads or equivalents on moon clips to meet the 165 threshold. The revolver's compatibility with these cartridges provides versatility, enabling participants to balance velocity and bullet weight for optimal scoring in power-limited divisions, though its six-round capacity requires precise stage planning compared to higher-capacity semi-automatics. For and home protection, the Model 610 capitalizes on the 10mm cartridge's high , which excels at defeating barriers and addressing threats like aggressive , while the revolver's all-steel build ensures durability in high-stress encounters. However, at approximately 42.5 ounces unloaded for the 4-inch model, its substantial weight and size render it impractical for , positioning it more as a nightstand or vehicle-mounted option for home defense. Residents in bear-prone regions, such as parts of and , particularly value the 610 for its reliability and the 10mm's proven penetration against larger animals, often pairing it with hard-cast loads for added stopping capability. The 10mm's ballistic profile offers advantages in energy delivery over 9mm or , with velocities supporting effective expansion and tissue disruption in defensive scenarios. In contexts, the Model 610 with a 6.5-inch barrel excels for pursuing medium game like deer and hogs at ranges under 50 yards, where the 10mm's flat and manageable from the N-frame facilitate accurate shot placement. Hunters report successful takedowns using 180-grain jacketed hollow-point loads, which in ballistic gel tests from pistols demonstrate of 15 to 19 inches—aligning with ethical standards for vital organ disruption while minimizing over-penetration risks in wooded environments. A 2025 Lipsey's exclusive variant, the Model 610 Mountain Gun, features a tapered barrel and gold bead sight, further enhancing its suitability for backcountry . In media portrayals, the revolver has appeared in action-oriented productions, such as Wesley Snipes wielding it as Blade in the 2004 film Blade: Trinity, and in episodes of the TV series Psych (e.g., "Six Feet Under the Sea," used by a character for dramatic confrontations), often symbolizing raw firepower in tense scenarios.

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