but it can be done. I have a 625-2(made in the late 80s) that received a steady diet of hardball during IPSC matches. The barrel wear gradually manifested itself with lower velocities. I was chronoing a new batch of handloads a couple years back and my underused 4" 625 was yielding higher velocities than the old 5". I reviewed my records and found the old 625 had once been the faster gun.

The probable explanation is simply a gradual wearing down of the bore which lowers pressure and thus velocity. But also note, the gun still shot very well and is now in semi-retirement. My main competion guns are now 625-6s which have no locks.

__________________
Bob.
SWCA 1821