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Old 22nd September 2013, 08:54 AM
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Conor Conor is offline
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Join Date: May 2009
Member of: Nelson & Nomads airgun club
Location: Ardboe, Co.Tyrone.
Posts: 2,656
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For your investigation to work,
find a suitable batch of pellets that will hit a 20mm target at 55yrds benchrested every time indoors.

Get a clamp/vice/gun rest that eliminates pilot error and recheck your batch accuracy. Shoot a few groups and take average size group with unsized pellets straight from the tin.

Repeat process with your sized

For the test to be fair, each and every pellet must be the same length, head diameter and weight. The barrel would need to be cleaned and leaded back in again accordingly before and after each test. Temperature, humidity and air density should be a constant also. The pressure in your rifles air cylinder should be the same before each test also.

I eagerly await and look forward to your results.
He who never made a mistake never learned!
He who never missed never shot!
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