Why Do I Get Misfires Or Case Separations? Head Space Explained.

If you want a detailed explanation of what is meant by “head space” and how it affects the functioning of your firearm, you may find this video quite helpful. In it, I provide viewers with a step-by-step description of the changes a cartridge undergoes – from the time the primer is struck, to the time the bullet leaves the barrel – and how the dimensions of your rifle’s chamber (compared to the dimensions of your cartridge) can affect the outcome.

If you find your cartridges do not consistently fire when you pull the trigger or your cases frequently separate after firing, this video may be of particular interest, but a good understanding of this topic will also help you think your own way through possible causes and solutions. Diagrams and animations are provided to make the subject easier to grasp.

DISCLAIMER: My videos are strictly for documentary, educational, and entertainment purposes only. Imitation or the use of any acts depicted in my videos is solely AT YOUR OWN RISK. All work on firearms should be carried out by a licensed individual and all state, provincial and federal rules apply to such. I (including YouTube) will not be held liable for any injury to yourself or damage to your firearms resulting from attempting anything shown in any of my videos. I do not endorse any specific product and this video is not an attempt to sell you a good or service. I am not a gun store and DO NOT sell or deal in firearms. Such a practice is heavily regulated and subject to applicable laws. I DO NOT sell parts, magazines, or firearms. These videos are free to watch and if anyone attempts to charge for this video notify me immediately. By viewing or flagging this video you are acknowledging the above.

Fair Use: In the rare instance I include someone else’s footage, that is covered in Fair Use for Documentary and Educational purposes with the intention of driving commentary and allowing freedom of speech.

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