Related Clues:

• Stab at one by going mad
• One helps to hush up a report
• Neat boy (anag.)
• Marine-training weapon
• Sticker finally put on first compartment
• Knife for the end of a rifle
• Mr Goodman, interrupting, cries out for muffler
• A car spares outlet may have one over a barrel!
• Sort of light fitting that's seen on end of rifle?
• Because round leg not quite right, one's attached to arm
• One for suppressing reports on driving?
• Knife on muzzle
• Boy, ten, worried about a blade
• Blade attached to a rifle
• Howl before individual finally thrust blade