Related Clues:

• Gun cleaner, proverbially stiff and straight
• Stickler for the rules bringing back ten-to-one trolley
• There's no pleasing purist nun with frog in her throat
• Muzzle-loading tool
• Pedant has left in the price tag
• Gunner's tool
• Turns up, march by rail is for leader with strict manner
• Bird with extremes of effort becoming disciplinarian
• It's used to push a charge into a firearm
• Looking back, 10/1 old train is very strict
• Martinet
• Singular person that amuses perfectionist
• A rigorous operator has some point in a market
• Disciplined type finding point in market
• Shoot animal before having possibly used this?