The Firing Line Forums - View Single Post - Chambering problems-250 Improved(Ackley)

TWOSHOES · October 15, 1999, 12:52 PM

Thanks bfoster. Rk10156 suggested I smoke the head.I did this and after chambering a case,I could see a ring around one half of the case about 1/4" above the rim. Incipient head seperation sign? The sizing die I use is from RCBS.It wasn't made by the smith who re-chambered the rifle.Rk10156 suggests this could be a problem.He also suggested that I might be setting the shoulder back too far creating excessive headspace.Originally,I had the die set so that it only re-sized it enough to hold the bullet in the neck.When the empty cases wouldn't chamber,I screwed the die all the way down to the shellplate(Dillon550B).The cases still wouldn't chamber.And yes,I have been using a ball powder(H414).

October 15, 1999, 12:52 PM	#3
TWOSHOES Member Join Date: October 3, 1999 Posts: 33	Thanks bfoster. Rk10156 suggested I smoke the head.I did this and after chambering a case,I could see a ring around one half of the case about 1/4" above the rim. Incipient head seperation sign? The sizing die I use is from RCBS.It wasn't made by the smith who re-chambered the rifle.Rk10156 suggests this could be a problem.He also suggested that I might be setting the shoulder back too far creating excessive headspace.Originally,I had the die set so that it only re-sized it enough to hold the bullet in the neck.When the empty cases wouldn't chamber,I screwed the die all the way down to the shellplate(Dillon550B).The cases still wouldn't chamber.And yes,I have been using a ball powder(H414).