With our RWS Field Kits in. 177 Cal, 4.5mm and. 22 Cal, 5.5mm you now have the ability to test five different pellet designs to find the one that will best match your personal needs and the individual peculiarities of your air gun.Test your air rifle for precision, penetration, performance, impact power and deformation.Included in the Gold. 177 Cal, 4.5mm Field Kit is a total of 1000 pellets, 200 each.
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