Think they may do that to stop their rental guns jamming with cheapo $hite bb's, think I remember them saying stuff like this and if gun jams/breaks you get charged etc... so they get you to use the same ones as they use - not bad price
Not sticking up for them or renewing for TWA fan club membership - but just saying why and what I have heard when I hired banging on about their guns and breakage fee - they well used but seemed ok
Think they may do that to stop their rental guns jamming with cheapo $hite bb's, think I remember them saying stuff like this and if gun jams/breaks you get charged etc... so they get you to use the same ones as they use - not bad price
.25's think are £11 for 4k but not sure