Just for fun! - New caliber???

6.5 menstration

You cheeky sod that's a 22LR case with a hex head type screw that's had the head removed from the shaft place over the top of said case with the female end facing inwards.

But nice try

6.5 crunchie ?

6.5 intercourse looks like its had a right rodgering:sick:

That looks like a hornet that just hit a windscreen :-)

It reminds me of when my sons staffy dog getsexcited and out pops his lipstickso I'll name it the 6.5 staffy