Quick Answer
Zeroing your rifle with a suppressor attached is generally not recommended, as it can affect the rifle's point of impact. This is due to the added length and weight of the suppressor, which can alter the rifle's ballistics and POI. It's best to zero without the suppressor and then re-zero with it attached.
Effect on Point of Impact (POI)
When a suppressor is attached to a rifle, it adds length and weight to the barrel. This increased weight and length can cause the rifle’s point of impact to shift. Studies have shown that a suppressor can cause a POI shift of up to 1-2 inches at 100 yards, depending on the suppressor and rifle combination. To minimize this shift, it’s essential to understand the suppressor’s effect on your specific rifle and to re-zero carefully.
Zeroing and Calibration Techniques
To zero your rifle effectively with a suppressor, start by zeroing it without the suppressor attached. Once you have a solid zero, remove the suppressor and attach it again. Use a chronograph to measure the velocity of your shots and make adjustments as needed. It’s also a good idea to use a bore scope or optical sight to visualize the bullet’s trajectory and make precise adjustments. When re-zeroing, start from the known zero point and make small adjustments in 0.1-0.2 MOA increments until you achieve a consistent point of impact.
Legal and Logistical Considerations
When hunting with a suppressor, it’s essential to check the laws and regulations in your state regarding suppressor use. Currently, 42 states allow suppressor use for hunting, but some states have specific requirements or restrictions. Additionally, consider the added weight and bulk of the suppressor, which may affect your hunting style and mobility. Always ensure that you have a suitable mounting system and that the suppressor is properly secured to the barrel to prevent damage or injury.
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