What ammo not to use in ruger 10/22?

What ammo not to use in ruger 10/22?

The Ruger 10/22 is a popular and reliable semi-automatic rifle known for its accuracy and versatility. It has become a favorite among gun enthusiasts, hunters, and sport shooters alike. However, like any firearm, the Ruger 10/22 has specific ammunition requirements to ensure optimal performance and safety. In this article, we will explore the types of ammunition that should be avoided when using a Ruger 10/22, and the reasons behind these recommendations.

The Importance of Using the Right Ammo

Using the correct ammunition in any firearm is crucial for several reasons:

  • Accuracy: Different ammunition types have varying ballistics, which can affect the accuracy of your shots. Using the right ammo ensures consistent and reliable performance.
  • Safety: Using improper ammunition can lead to malfunctions, misfires, or even catastrophic failures. It is essential to follow the manufacturer’s recommendations to ensure the safety of both the shooter and the firearm.
  • Longevity: Using the wrong ammunition can cause excessive wear and tear on your Ruger 10/22. Over time, this can lead to decreased reliability and potentially damage the firearm.

Avoiding Subsonic Ammunition

Subsonic ammunition refers to rounds that travel at a velocity below the speed of sound, typically around 1,125 feet per second (fps). While subsonic ammunition has its uses, it is generally not recommended for use in the Ruger 10/22. Here’s why:

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  • Reliability: Subsonic ammunition may not generate enough energy to cycle the action of the Ruger 10/22 reliably. This can result in failures to feed, extract, or eject, leading to frustrating malfunctions.
  • Accuracy: Subsonic ammunition is designed for suppressed firearms or situations where reduced noise is desired. However, the Ruger 10/22 is not specifically designed for subsonic ammunition, and its barrel twist rate may not stabilize these slower projectiles effectively, leading to decreased accuracy.
  • Range: Subsonic ammunition has a shorter effective range compared to supersonic ammunition. If you plan to shoot at longer distances, using subsonic rounds may result in significant bullet drop and reduced terminal performance.

Avoiding High-Velocity Hyper-Velocity Ammunition

While the Ruger 10/22 can handle a wide range of ammunition velocities, it is generally recommended to avoid extremely high-velocity or hyper-velocity rounds. These are typically .22LR cartridges that exceed the standard velocity range of around 1,200 to 1,300 fps. Here’s why:

  • Excessive Wear: High-velocity ammunition generates more recoil and places additional stress on the firearm’s components. Prolonged use of hyper-velocity rounds can accelerate wear and potentially cause damage to the Ruger 10/22.
  • Accuracy: The increased recoil and muzzle blast associated with high-velocity ammunition can negatively impact accuracy, especially for shooters who are not accustomed to managing these factors.
  • Cost: Hyper-velocity ammunition tends to be more expensive than standard or subsonic rounds. If you are primarily using your Ruger 10/22 for recreational shooting or plinking, the added cost may not be justified.

Avoiding Steel-Cased Ammunition

Steel-cased ammunition, often referred to as “Russian” or “bimetal” ammo, has gained popularity due to its affordability. However, it is generally advised to avoid using steel-cased ammunition in the Ruger 10/22. Here’s why:

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  • Extractor Issues: Steel-cased ammunition has harder and less malleable cases compared to brass-cased ammunition. This can cause increased wear on the extractor, potentially leading to extraction failures or damage to the firearm.
  • Accuracy and Reliability: Steel-cased ammunition may not provide the same level of consistency and reliability as brass-cased ammunition. The variations in case dimensions and bullet seating can affect accuracy and potentially lead to malfunctions.
  • Warranty Concerns: Some firearm manufacturers explicitly state that using steel-cased ammunition voids their warranty. While Ruger does not specifically mention steel-cased ammo in their warranty, it is always best to err on the side of caution to avoid any potential issues.


When it comes to ammunition selection for your Ruger 10/22, it is essential to choose wisely. Avoiding subsonic ammunition, high-velocity hyper-velocity rounds, and steel-cased ammo can help ensure optimal performance, accuracy, and longevity of your firearm. By using the right ammunition, you can enjoy a reliable and enjoyable shooting experience with your Ruger 10/22 for years to come.

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