Loading part of a gun (6)
I believe the answer is:
breech
(Other definitions for breech that I've seen before include "Back part of rifle" , "(Half of) lower garment" , "Opening for loading a gun" , "One's behind" , "Prat" .)
I believe the answer is:
breech
(Other definitions for breech that I've seen before include "Back part of rifle" , "(Half of) lower garment" , "Opening for loading a gun" , "One's behind" , "Prat" .)