What Causes Keyholing at Dorothy Carmen blog

What Causes Keyholing. A lot of my reloads are keyholing. The two main factors at proper range are twist rate and bullet weight. Often keyholing is misjudged due to wind deflection,. If your impacts look oblong or sometimes even sideways (keyholing), your bullet isn’t stabilizing properly and is tumbling on the way to the target. Likely the most common cause is low velocity, but over driving the bullet. This is becoming a more common issue with modern calibers that use longer, heavier bullets with higher ballistic coefficients. In firearms and ammunition, “keyholing” refers to a phenomenon where bullets fail to stabilize during flight, resulting in them. As was mentioned, the usual cause of keyholing is a poor bullet to barrel fit, and/or a poor grip on the bullet by the rifling. Bullet damage, wrong rifling twistor no (or too little rifling) can all. True keyholing is a sign of bullet destabilization in flight.

CZ457 varmint barrel keyholing, used a borescope, and found some knicks
from www.rimfirecentral.com

If your impacts look oblong or sometimes even sideways (keyholing), your bullet isn’t stabilizing properly and is tumbling on the way to the target. The two main factors at proper range are twist rate and bullet weight. Likely the most common cause is low velocity, but over driving the bullet. A lot of my reloads are keyholing. As was mentioned, the usual cause of keyholing is a poor bullet to barrel fit, and/or a poor grip on the bullet by the rifling. Often keyholing is misjudged due to wind deflection,. Bullet damage, wrong rifling twistor no (or too little rifling) can all. In firearms and ammunition, “keyholing” refers to a phenomenon where bullets fail to stabilize during flight, resulting in them. True keyholing is a sign of bullet destabilization in flight. This is becoming a more common issue with modern calibers that use longer, heavier bullets with higher ballistic coefficients.

CZ457 varmint barrel keyholing, used a borescope, and found some knicks

What Causes Keyholing Bullet damage, wrong rifling twistor no (or too little rifling) can all. In firearms and ammunition, “keyholing” refers to a phenomenon where bullets fail to stabilize during flight, resulting in them. True keyholing is a sign of bullet destabilization in flight. Bullet damage, wrong rifling twistor no (or too little rifling) can all. Often keyholing is misjudged due to wind deflection,. The two main factors at proper range are twist rate and bullet weight. As was mentioned, the usual cause of keyholing is a poor bullet to barrel fit, and/or a poor grip on the bullet by the rifling. Likely the most common cause is low velocity, but over driving the bullet. If your impacts look oblong or sometimes even sideways (keyholing), your bullet isn’t stabilizing properly and is tumbling on the way to the target. This is becoming a more common issue with modern calibers that use longer, heavier bullets with higher ballistic coefficients. A lot of my reloads are keyholing.

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