APS xpower smart shells for cam870 mk1 / mk3

brand new, 9 each 15 shells of different colours available, can do 8 if you buy more than 2 picture 2 shows the comparison with standard smart shell body, the larger gas room can provide more than 370 FPS with 0.2 (of course you can charge less gas to make it site legal) +3 for parcel force 48 or collected from coventry