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Please provide more details. Freebore... etc.
Do you know if it was chambered to shoot a specific bullet? Can it handle the long heavies? 80 grainers etc...
I will be single feeding this trainer for 600-1000 practice with heavies.What other details would you like?
The freebore is long.
It is designed around shooting the heavies. 75-90 gr. To where your limit is going to be most aics pattern 223 mags.
No idea of the number- you could contact John with keystone for his reamer print.
I will be single feeding this trainer for 600-1000 practice with heavies. Do you know who Keystone gets their blanks from? Thanks
Its stated in the OP. Green Mountain. I have a bunch of these and all of mine are shooting tiny groups. 223 wylde is a standard reamer you can get the print anywhere online. I shoot 75 ELD'S AND 80 ELD's at 2.50 which puts me .01 off the lands with 223 Wylde reamer. Plenty of mag room