most likly there the 98 model 1450 single trigger semi only with no ball cap. if the double triger 1451 will either come in semi only or select fire these boards are capped at 9bps. as far as mods go nothing is realy nesacary but go to
RMOG you will find alot of upgrades and reviews on products. and link to find them. have funn yes it's a good deal for 200