I picked up a used Hornady LNL last year, and just recently started loading 45ACP 200gr lead SWC (Missouri Bullets) on it, and cant seem to get consistent OALs. My target is 1.25 and they range from 1.2495 to 1.2610, from a small sample taken. I didnt seem to have this problem with RN or plated SWC, which I've loaded several thousand on the LNL.
I'm seating and crimping in two seperate steps, using the Hornady seat/crimp die to seat only, and a Redding Taper Crimp die in the last station to crimp. Everything is clean, I'm using the wadcutter seating stem, and I dont believe I'm short-stroking the press.
I did find a similar post , but nothing there that seemed to address my concern.
As in the linked post, I can take a long OAL round and re-size/crimp and it comes out much closer to my target OAL. I understand the possibility of a loaded shell plate may cause more resistance, but when I go fairly slowly and methodically, I would think it wouldnt make a difference. I have noticed some lateral slop in the linkages when the ram is all the way up, causing the ram, subplate, and shell plate to rotate some, possibly 1/8". Not sure if this movement would be enought to cause the OAL differences?
I'm seating and crimping in two seperate steps, using the Hornady seat/crimp die to seat only, and a Redding Taper Crimp die in the last station to crimp. Everything is clean, I'm using the wadcutter seating stem, and I dont believe I'm short-stroking the press.
I did find a similar post , but nothing there that seemed to address my concern.
As in the linked post, I can take a long OAL round and re-size/crimp and it comes out much closer to my target OAL. I understand the possibility of a loaded shell plate may cause more resistance, but when I go fairly slowly and methodically, I would think it wouldnt make a difference. I have noticed some lateral slop in the linkages when the ram is all the way up, causing the ram, subplate, and shell plate to rotate some, possibly 1/8". Not sure if this movement would be enought to cause the OAL differences?
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