every lead screw will develop "slop" due to wear, and as CM says, you should be using the vernier to determine settings, not turns of the screw. Turns of the screw are for getting you close.
CM, I too had issues with seeing Ron's vernier marks, however he built me a special slide that is a little thicker than his usual ones and that allows me to see the marks better. Once we made that modification, all the subsequent ones I got from him have it.
drcook = david r, most folks just call me dave, not Dr. but thanks for the compliment
Update...I got sticker shock when looking at these sights. I wanted MVA but decided on the Lee Shaver sight because of cost. I finally had the chance to fire the rifle with the Lee Shaver sight. I am glad I opted for the Hadley cup that he offered.
I was worried that the front sight would be too short and it is. I call Lee Shaver and he is getting 100 more of my dollars to send me a new front globe sight with spirit level.
Thanks again for all of the help,
mark
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| BP | Bronze Point | IMR | Improved Military Rifle | PTD | Pointed |
| BR | Bench Rest | M | Magnum | RN | Round Nose |
| BT | Boat Tail | PL | Power-Lokt | SP | Soft Point |
| C | Compressed Charge | PR | Primer | SPCL | Soft Point "Core-Lokt" |
| HP | Hollow Point | PSPCL | Pointed Soft Point "Core Lokt" | C.O.L. | Cartridge Overall Length |
| PSP | Pointed Soft Point | Spz | Spitzer Point | SBT | Spitzer Boat Tail |
| LRN | Lead Round Nose | LWC | Lead Wad Cutter | LSWC | Lead Semi Wad Cutter |
| GC | Gas Check |
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