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Old 4th March 2015, 10:29 PM
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fireblade fireblade is offline
Team AirArms
Join Date: Mar 2009
Member of: Tawd Vale FTC
Location: liverpool
Posts: 683

Lead is self lubricating, steel is not, so when the clean barrel starts to bed in with lead the speed can rise a little.
some barrels take only a few shots to settle, others can take more even upto or over 50 shots.

It is all barrel and pellet dependent.
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