ratty1 Posted August 1, 2013 Report Share Posted August 1, 2013 Hi all. As this model has the slighty larger bore than standard 12b gunsand is obviously designed with steel shot in mind, do you use a slightly tighter choke than normal, I've been using mainly half choke which seems to work very well with my goose loads but with smaller shot it seems to be inconsistent, I have a full choke and was wondering if its worth using that with duck loads ( 36 grm 4/3 s)? Quote Link to comment Share on other sites More sharing options...
casts_by_fly Posted August 1, 2013 Report Share Posted August 1, 2013 no, stick to the normal chokes in absense of any patern data for your loads. The goal of overboring was to reduce the impacts between the shot, wad, and barrel as the load was shot. You still get the same constriction differences at the choke, and it is the difference between the bore and the end of the choke that actually makes the difference. What you should find is a more even pattern, not a more open pattern, with the overbored guns. That's the theory anyway. Put it on a plate and see how it is actually shooting with your loads. I've found a modified choke with heavy lead loads through my 935 patterns about right and what I'd expect. I will put some steel through it soon to confirm, but my plan is modified for everything unless the birds are really running close at which point I'll open it up to IC. thanks, rick Quote Link to comment Share on other sites More sharing options...
ratty1 Posted August 1, 2013 Author Report Share Posted August 1, 2013 Thanks for the reply rick, the loads I use are just factory loads . Gamebore mamouth and bonaghi. The bonaghi tends to be inconsitant with this gun but great in my sbs. I'm going to try the mammouth 3inch 3s to see if there better.mod choke has always been a fravourite for me and I guess its probably down to the cartridge rather than the gun. Quote Link to comment Share on other sites More sharing options...
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