allways wanted a 4 ga. pinfire because center fire is boring!

the 3,5 " chamber was the biggest surprise because 4 " is common. only see 4 ga pinfire with Eley and
and SFM = Gevelot Gaupilat headstamp. I suspect the owner of this gun cut down 4" shells with a knife.

in the 1900 SFM catalog you find 4 ga. shells , 1000 for 200 franc
,this was 164 Mark - 38 dollar - 8 pound sterling

wads

an interesting explosive bullet, also in 4 ga. , for dangerous game elephant, lion, tiger

maybe a native french speaker (louis) can made a good translation

the 4 ga pinfire shell is not in the 1921 post war SFM catalog anymore, only the center fire version

SFM shotshell dimensions for pinfire - Doilles a Broche: the 4 gauge pinfire is 16,50 mm on the base and 26,2 mm on the papertube, rim is 28 mm
the 3,2mm thick pin protude 17,75 mm
shell inside measure 23,4 mm what fits to my barrel