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4 Red 3005.DAT Brick 1 x 1
2 Light-Gray 4070.DAT Brick 1 x 1 with Headlight
4 Light-Gray 3004.DAT Brick 1 x 2
2 Light-Gray 3622P02.DAT Brick 1 x 3 with Control Panel Pattern
10 Light-Gray 3067.DAT Brick 1 x 6 without Centre Studs
4 Light-Gray 3008.DAT Brick 1 x 8
4 Light-Gray 3008P22.DAT Brick 1 x 8 with 16 Black Squares Pattern
2 Light-Gray 6111.DAT Brick 1 x 10
4 Light-Gray 2465.DAT Brick 1 x 16
8 Light-Gray 3003.DAT Brick 2 x 2
48 Light-Gray 3002.DAT Brick 2 x 3
34 Light-Gray 3001.DAT Brick 2 x 4
24 Light-Gray 3007.DAT Brick 2 x 8
8 Light-Gray 2356.DAT Brick 4 x 6
1 Light-Gray 6212.DAT Brick 4 x 10
1 Light-Gray 4202.DAT Brick 4 x 12
2 Dark-Gray 30065.DAT Dish 4 x 4 Inverted
2 Light-Gray 3937.DAT Hinge 1 x 2 Base
2 Light-Gray 3938.DAT Hinge 1 x 2 Top
4 Red 3024.DAT Plate 1 x 1
4 Light-Gray 6141.DAT Plate 1 x 1 Round
1 Light-Gray 3030.DAT Plate 4 x 10
2 Light-Gray 3028.DAT Plate 6 x 12
2 Light-Gray 3456.DAT Plate 6 x 14
5 Light-Gray 3039P05.DAT Slope Brick 45 2 x 2 with Black Grille Pattern
30 Light-Gray 41768.DAT Wedge 4 x 2 Left
30 Light-Gray 41767.DAT Wedge 4 x 2 Right

http://s690.photobucket.com/albums/vv26 ... Cannon.jpg
The MK VIII blaster shown in the above image is mounted in a dual turret. the turret is about as long as the gun itself
(NOTE* I forgot to delete the angry inch that are clearly visible in red)
this gun calibre should be adaquate for taking out smaller vessels.