Churchill Pump 12ga, 12″ Barrel, cylinder bore. (New) $369.00 Churchill pump action shotgun pistol grip butt stock.. 12ga, 3″ magnum, 12″ barrel, 4+1 capacity. Comes with sling. Out of stock Category: Non-Restricted Related products Churchill Pump 12ga, 12″ Barrel, cylinder bore. (New) $299.00 Churchill Pump 12ga, 12.5″ Barrel, cylinder bore. (New) $389.00