P sure you don't. Considering it's been scaled down to .22 I wouldn't worry if the tolerances are a bit out and it requires a bit of a tap.
Pretty fun looking bit of kit with no practical purpose besides causing embarrassment in the afterlife when waiting at the pearly gates or getting judged by Allah.
'So how did you die'
'Some redneck killed me with his .22 M2 machine gun replica'
'...'