I can measure the dimensions of the stems. and post them here.
I can measure the dimensions of the stems. and post them here.
Looking forward to that. Need to make some for mine too.
Mark
Start with roundstock .241 in dia. THIS IS THE BOTTOM HALF OF THE STEM.
This is the part that holds the spring loaded cup.
The primer cup is.295 oal, and the o.d. Is .250 dia.
Great! One more thing...how long is that .1750 diameter. Thanks!
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Good on you, guys. Is this a great site or what! james
FYI-
Yesterday, I called RCBS and asked if there were any detailed drawings of the Posi-Prime base that could be shared as I was hoping to use same to perhaps have some bases machined/made. The service rep checked and said there were no detailed drawings available. He did say, however, that the tap in the base into which the primer plug screws, was 8/32 as shown in triggerhappy's above post.
Thanks,
Bayou52
Bayou52
NRA Life Member
"Keep Calm and Reload"
For some reason, RCBS (and others too) are very secretive about drawings for equipment they no longer sell or have parts. I don't know whether it is a "lawyer thing" or it is just that they don't want you to rebuild but rather to buy their new and "improved" versions. I worked in operations and operational control for a large company and it was really silly to what lengths they would go and at no little costs sometimes, just to protect so called secrets for their products when a simple chemical analyst and an average BS major in chemistry could figure things out in short order. Not saying I blame RCBS or others but it seems like they could be loosing good will sometimes with that attitude. Not a rant--just the facts man, james
I have been in their shoes. If you notice that in my statement I said "Not saying I blame RCBS or others". But if you no longer are supporting a product that you once produced, it is not stealing if someone provides that support. Otherwise, you would not be able to buy parts for your car beyond 3 to 5 years after that model ceased production. After market production is what keeps older cars and many other products working. james
100 % AGREE JAMES. I do not think rcbs has completely stopped parts support, they may do a run at a later date to refill the shelf when there is enough requests. I wish they would bring back this model. I have 2 of them, and will not use any other model............... even the one with the tray attached.
Triggerhapy243, I have 5 of them. Four have the small primer stem but not the larger primer stem. That is what made me start the search and I have been trying to get the larger sizes for over 3 years now, with no luck. I plan on leaving these for my grandsons for their reloading adventures. I would like to get these 4 complete for them as well as myself. I really appreciate the effort you guys are putting out to make some for me and others that might need the parts. Take care, james
i will measure the large one and update.
Thanks for taking the time to get measurements. When I get some spare time I will see if I can get some cranked out
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around to refresh--maybe someone has one and willing to part with it.
Spare time is hard to come by when theres mandatory overtime....
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An armed society is a polite society.
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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 |