xxash2003xx

im thinking of buying a 2nd hand co2 beretta ber03 sport pistol,8 shot .177 pellet only gun.just wundering if anybody has one and wat are they like?it says average of 300fps wich isnt to good is it?im lukin at shooting in my garden realy n mainly just for fun.how powerfull is 300fps?will it shoot through a glass bottle, n if so how far away from?are berettas known to be good?thank you ppl . . . ash