I have one thats chambered for 2 1/2" commercial ammo.
Civilian conversion on a 1918 ShtLE BSA.
It's been re-BNP'd for 3 1/4ton as well and 2 different 410 stamps.
Aprox 6" groups ( standing, unsupported) at 50yd with 2 1/2" slugs and about a 20" pattern at 20yd using shot.
3" shot ammo work very well also , actually better than the 2 1/2" which I've had a few light primer strikes that didn't fire.
The mag is still in place but won't quite feed 410ammo , so I use it as a loading platform only for single shot.
ive been looking around i have a lee enfield no1 mk3 1940 matching numbers 303. that fires amazingly and a no.1 i think that it pitted and i would like to get made into a 410 how hard is it besides boring out the barrel what all much be changed to fire normal 410 shells
Its no problem at all to a gunsmith - bore out the barrel (just to get rid of the rifleing basically) ream out the chamber and away you go.
No modification to bolt, extractor needed.
It will only be a single shot as the Enfield magazine will not cope with 'flat ended' cartridges.
I did see someone who had mounted a Siaga 410 magazine into an Enfield magazine and it did work but its a bit of a 'bodge' and lots of work to get it correctly aligned and to consistently pick up the cartridges.
thats good to know hmm maybe i should star working on modifying this enfield mag i have that is bent pretty badly and wont feed right has no numbers on it so its not worth anything after a few hours onf tinkering i might be able to make it work
To modify the mag - take out the spring and follower, get the Saiga 410 mag and wedge it approximately into place with little bits of wood, keep adjusting it until the 303 bolt will pick up the 410 cartridge and then pour resin into the mag to hold everything in place.
Works - but - takes some patience and fiddling
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