choose from a variety of sizes; common sizes are 5 x 5 storage units, 5 x 10 storage units, 10 x 10 storage units and 10 x 15 storage units. this is about who gets to control the food supply and who gets to choose. the magazine catch of the frame is reversible and enlarged towards the rear of the pistol. i have to admit, i’m not doing so hot with my reading. 2discount is only on select vehicles and is not compatible with any other offers. 