The Sig P220 Legion 10Mm: An In-Depth Review And Buyer’S Guide

The SIG P220 pistol has earned a reputation for accuracy and reliability, and the Legion treatment takes it to the next level. The SIG P220 Legion 10mm stands out with enhanced components optimized for competition and self-defense.

If you’re short on time, here’s the quick take: the P220 Legion 10mm has unmatched build quality and out-of-the-box accuracy. It excels as a competition gun but is heavy for carry.

In this comprehensive guide, we’ll take an in-depth look at the features, benefits, and downsides of the SIG P220 Legion 10mm. We’ll compare it to other SIG models, analyze its capabilities for competition and defense, and provide tips for outfitting and shooting this premium pistol.

Build Quality and Shooting Characteristics

When it comes to the SIG P220 Legion 10mm, one of the standout features is its exceptional build quality and shooting characteristics. This handgun is known for its ruggedness and durability, making it a reliable choice for both experienced shooters and those new to the sport.

All-Metal Frame for Controlled Recoil

The all-metal frame of the SIG P220 Legion 10mm is designed to provide controlled recoil, allowing for more accurate and comfortable shooting. This feature is particularly important for those who prefer a higher caliber firearm, as it helps to mitigate the potentially stronger recoil associated with the 10mm round.

The weight of the all-metal frame also contributes to the overall stability of the handgun, further enhancing its shooting characteristics. With a solid grip and balanced weight distribution, shooters can expect greater control and improved accuracy, even during rapid-fire situations.

Exceptional Trigger Pull and Reset

The trigger pull and reset of the SIG P220 Legion 10mm are widely regarded as exceptional. The single-action trigger offers a smooth and crisp break, allowing for precise shot placement. Additionally, the reset is quick and tactile, enabling faster follow-up shots without sacrificing accuracy.

Whether you’re shooting at the range or using the SIG P220 Legion 10mm for self-defense purposes, its reliable trigger system ensures consistent and predictable performance. This feature is especially beneficial for those who value a responsive and reliable trigger in their firearms.

Enhanced Accuracy With Target Sights

The SIG P220 Legion 10mm comes equipped with target sights, which are designed to enhance accuracy and precision. These sights provide a clear sight picture, allowing shooters to quickly acquire their target and make accurate shots.

Target sights typically consist of a front sight post and a rear sight notch, which are aligned to ensure proper sight alignment. This alignment, combined with the handgun’s overall build quality and shooting characteristics, contributes to improved accuracy and shot placement.

Whether you’re a competitive shooter or simply looking for a reliable and accurate handgun for self-defense, the SIG P220 Legion 10mm’s target sights can greatly enhance your shooting experience.

Ideal Setup for Competition Shooting

Out-of-the-Box Accuracy

When it comes to competition shooting, accuracy is key. The SIG P220 Legion 10mm is known for its exceptional out-of-the-box accuracy, making it a top choice for competitive shooters. Whether you’re aiming for bullseyes at the range or trying to hit targets at various distances during a match, this firearm delivers consistent and precise shots.

The P220 Legion 10mm’s high-quality construction and advanced barrel design contribute to its impressive accuracy, giving shooters the confidence they need to excel in competition.

Tuned for Rapid Follow-Up Shots

In competition shooting, speed is just as important as accuracy. The SIG P220 Legion 10mm is specifically tuned for rapid follow-up shots, allowing shooters to maintain a fast pace without sacrificing precision.

Its recoil management system and ergonomic grip make it easier to control, reducing muzzle rise and enabling quick target reacquisition. This feature is particularly beneficial in dynamic shooting events where multiple targets must be engaged in quick succession.

With the P220 Legion 10mm, shooters can confidently and efficiently navigate through stages, gaining a competitive edge.

High Ammo Capacity

Another advantage of the SIG P220 Legion 10mm for competition shooting is its high ammo capacity. Equipped with a double-stack magazine, this firearm offers a generous round count, ensuring that shooters have more shots at their disposal before needing to reload.

This can be a significant advantage in longer stages or events that require engaging multiple targets. The P220 Legion 10mm’s high ammo capacity allows shooters to focus on their performance rather than worrying about running out of ammunition.

Big and Heavy for Concealed Carry

When it comes to concealed carry, size and weight are important factors to consider. The SIG P220 Legion 10mm may not be the ideal choice for those who prioritize a compact and lightweight firearm. With its solid build and robust features, this pistol is definitely on the larger and heavier side.

Weighs 41.6 Ounces Unloaded

The SIG P220 Legion 10mm tips the scales at a hefty 41.6 ounces when unloaded. This weight can make it a bit challenging to carry and conceal for extended periods, especially for individuals who prefer a lightweight and more discreet option.

However, it’s worth noting that the weight can also contribute to better recoil management and overall shooting stability.

Long 5.5 Inch Barrel

Another characteristic that adds to the size and weight of the SIG P220 Legion 10mm is its long 5.5-inch barrel. While this barrel length can enhance accuracy and provide better muzzle velocity, it may not be the most practical choice for concealed carry purposes.

The longer barrel may require adjustments in holster selection and clothing choices to ensure comfortable and effective concealment.

Better Suited to Open Carry

Considering its size and weight, the SIG P220 Legion 10mm is better suited for open carry rather than concealed carry. Open carry allows for a more accessible draw and can accommodate the weight and size of the firearm more comfortably.

This is especially true for individuals who prioritize firepower and shooting performance over discreetness.

Customization and Accessorization Options

When it comes to the SIG P220 Legion 10mm, customization and accessorization options are abundant, allowing gun enthusiasts to personalize their firearm to their liking. Whether you’re looking to enhance the performance, ergonomics, or aesthetics of your pistol, there are numerous upgrades and accessories available to suit your needs.

Optics Ready Slide Cut

One of the most popular customization options for the SIG P220 Legion 10mm is the optics ready slide cut. This feature allows users to mount a red dot sight directly onto the slide, greatly improving target acquisition and accuracy.

With the ability to easily add an optic, shooters can take full advantage of the pistol’s potential for precision shooting.

Additionally, the optics ready slide cut offers flexibility, as users can easily switch between different types of optics depending on their preferences and shooting style. Whether you prefer a holographic sight, reflex sight, or a traditional scope, the SIG P220 Legion 10mm can accommodate your choice.

Aftermarket Grips and Sights

Another way to customize your SIG P220 Legion 10mm is by upgrading the grips and sights. Aftermarket grips can enhance both the comfort and control of the pistol, allowing for a more secure and comfortable grip.

This is especially beneficial for those with larger or smaller hands, as aftermarket grips can be tailored to fit individual needs.

Similarly, upgrading the sights can greatly improve accuracy and target acquisition. Night sights, for example, are a popular choice for those who often find themselves shooting in low light conditions.

These sights feature tritium inserts that glow in the dark, making it easier to align your sights and accurately aim at your target.

Holsters and Mag Pouches

When it comes to carrying your SIG P220 Legion 10mm, having a reliable holster and magazine pouches is essential. Fortunately, there are plenty of options available to suit your preferred carry style. Whether you prefer inside the waistband (IWB), outside the waistband (OWB), or appendix carry, there are holsters specifically designed for the SIG P220 Legion 10mm.

Additionally, there are magazine pouches available that allow for quick and easy access to spare magazines. These pouches can be attached to your belt or gear, ensuring you have ample ammunition readily available during training or self-defense situations.

It’s important to note that when selecting holsters and mag pouches, it’s crucial to choose ones that are specifically designed for the SIG P220 Legion 10mm to ensure a proper fit and retention. This will ensure that your firearm is secure and easily accessible when you need it most.

Shooting Tips and Maintenance

Managing Recoil and Muzzle Flip

When it comes to shooting the SIG P220 Legion 10mm, managing recoil and muzzle flip is key to maintaining accuracy and control. The 10mm round is known for its power, which can translate into significant recoil. To mitigate this, shooters should focus on their grip and stance.

A firm grip with both hands, ensuring that the web of the shooting hand is high on the backstrap, can help absorb some of the recoil. Additionally, a slight forward lean and a slight bend in the knees can help with stability.

Another effective technique for managing recoil is to use a Weaver or Isosceles shooting stance. These stances distribute the recoil forces more evenly across the body, reducing the impact on the shooter’s wrists and arms.

Practicing proper shooting form and grip will allow shooters to maintain better control and accuracy.

Recommended Ammo Loads

Choosing the right ammunition for your SIG P220 Legion 10mm is crucial for optimal performance. While the 10mm round is versatile and can be used for various purposes, such as self-defense or hunting, it’s important to select ammo loads that are suitable for your intended use.

For self-defense purposes, it is recommended to use hollow point ammunition. This type of ammo is designed to expand upon impact, creating larger wound channels and increasing stopping power. Popular hollow point options for the 10mm include Federal HST, Speer Gold Dot, and Hornady Critical Duty.

For hunting, shooters can opt for heavier bullet weights, such as 180 grains or even higher. These loads offer superior penetration and energy transfer, making them ideal for taking down larger game. Some popular hunting ammo for the 10mm includes Buffalo Bore and Underwood Ammo.

Proper Cleaning and Lubrication

Maintaining your SIG P220 Legion 10mm through regular cleaning and lubrication is essential to ensure its longevity and reliability. After each shooting session, it is recommended to field strip the pistol and clean all the components thoroughly.

This includes cleaning the barrel, slide, frame, and all other parts that come into contact with dirt, debris, and fouling.

It’s important to use quality cleaning products specifically designed for firearms to avoid any damage to the gun. Additionally, applying a light coat of lubrication to the moving parts of the pistol will help reduce friction and ensure smooth operation.

Remember to follow the manufacturer’s guidelines for cleaning and lubrication, as each firearm may have specific requirements. Regular maintenance not only keeps your SIG P220 Legion 10mm in top condition but also helps prevent malfunctions and extends its lifespan.


With superb accuracy and premium components tailored for competition, the SIG P220 Legion 10mm delivers exceptional performance straight from the box. Its size and weight make it less suitable for concealed carry, but an excellent choice for competition, home defense, or as a trail gun.

For serious 10mm Auto users, it’s a hard pistol to beat.

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