The Mossberg 500 Cruiser is a pump-action tactical shotgun which had a pistol grip ... The firearm was chambered in the 12 gauge, 20 gauge, and .410 bore cartridges. Also, it had an internal tube ...
The best bike pumps though don't just encompass portable mini pumps. There are also floor pumps (aka track pumps) for accurately setting your tyre pressures at home and reaching higher pressures ...