1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

#10 or #11 caps? What's the difference?

Discussion in 'Blackpowder' started by AbitNutz, Oct 21, 2009.

  1. AbitNutz

    AbitNutz Well-Known Member

    Ok, I have been shooting Remington #11 caps on Treso nipples on my ROA. The Winchesters just didn't work for me. They would typically blow apart and jam up the cylinder to the point I had to remove the cylinder to clear it. I moved to Remington #11's and the problem is solved. I just had someone swear up and down that I should be using #10 Remington caps on Treso nipples. So what the heck is the difference?
  2. dispatch55126

    dispatch55126 Well-Known Member

    As I understand it, #10 caps are slightly narrower than #11 caps. That said, I've had #10 caps from brand "A" be too narrow and too wide from brand "B". If #11 works, then go for it. If you have to squeeze the skirt to get a tight fit, try the #10's.
  3. Fingers McGee

    Fingers McGee Well-Known Member

    Remington #11s are shorter than #10s. Diameter is virtually the same.
  4. mykeal

    mykeal Well-Known Member

    Ok, here's the chart again. We really should put this in the sticky.
    By the way, Winchester caps are just rebranded CCI's.

    And you don't get three decimal place precision for 4 cents apiece. What that means is that those dimensions vary from lot to lot as the machines wear and the material properties vary. The CCI No.10's that fit today might not fit next year when you buy another batch; same thing for the other sizes and brands.
  5. Hellgate

    Hellgate Well-Known Member

    The RWS #1055 is even smaller and longer. It's the RWS equivalent to a #10. They don't fit anything I own.
  6. AbitNutz

    AbitNutz Well-Known Member

    I tried looking around to see where I could buy RWS caps. I thought I'd give them a try. They're not generally available and what I did find were expensive. Add in that you have to buy them a 1000 at a time and the hazmat fee...wow.

    I just shipped my ROA off to Lee's Gunsmithing to let Rowdy Yates have his way with it...so I'll guess I'll have some time to cast some bullets up...
  7. hildo

    hildo Well-Known Member

    Dynamit Nobel RWS 1075, different lots, fits everyhting I have.
    Uberti Walker, Dragoon, 51 Navy and an original R&S with, aftermarket, nipples.
    They are German made, maybe that's why they are more costly in the US.

    CCI 11 needed to be pinched, therefore I quit using CCI.
    Pricing of Dynamit Noble and CCI caps is identical here.

  8. BlackNet

    BlackNet Well-Known Member

    I was on the phone with CCI ammo today, I was told the reference ID (inside diameter) for the #11 and #11 magnum percussion caps are 0.1683
  9. AbitNutz

    AbitNutz Well-Known Member

    I had no luck at all with CCI/Winchester. I tried #10's and #11's and neither fit well. Every cylinder full seemed to have some problem that ultimately ended with removing the cylinder and clearing debris. I changed to Remington caps and no issues at all, shot after shot.
  10. mykeal

    mykeal Well-Known Member

    Which No. 10, CCI or Remington?
  11. BlackNet

    BlackNet Well-Known Member

    AbitNutz, try anew set of nipples. there seems to be very little standard in nipples. I had a set of tresco's that would not fit #11 that well but did fit #11 mag's, I changed them out and the new set (same make/model) and they fit super well.
  12. Sagetown

    Sagetown Well-Known Member

    mykeal ~ might I add this visual to go along with your data ~ ~

  13. BlackNet

    BlackNet Well-Known Member

    it is copper and corrugated so size will change with pressure. which means between production, packing, shipping, loading/unloading, fat fingers etc.. that size will vary heavily. It is designed to bend and move after all.

  14. AbitNutz

    AbitNutz Well-Known Member

    Maybe it would be better if we did away with nipples on revolvers entirely. I've seen some cylinders made in Europe that use the 209 shotgun primer.

    I'm not exactly how that works; what you need to seat the primer or how you de-cap it. It does seem to offer better ignition and you never have to worry about incorrect fit, splitting and jamming.
  15. mykeal

    mykeal Well-Known Member

    I have no difficulty believing that. The inside diameter measurement is very difficult to make reliably; I measured at least 20 samples of each brand and size, and made at least 3 inside diameter measurements on each cap. The numbers were all over the place. What you see in the chart is an arithmetic average. Others have attempted to verify/refute the numbers and report similar difficulties. CCI's four decimal place spec is a bit amusing as it implies 0.00005 tolerance precision, which is clearly silly in a 4 cent part.
  16. BlackNet

    BlackNet Well-Known Member

    it's not silly when the die used is that :) now what comes out is that size yes but after all the banging around and getting picked up etc.. plus soft metal things get distorted and bent easily.
  17. Smokin_Gun

    Smokin_Gun Well-Known Member

    There are a few differant length cones ... three not counting thread types short sort, short and long I have run into SS bein' the Santa Barbara, short say Uberti, and long Euroarms/ASP. That cap chart shows the number 10 Rem cap bein' longer they work best on my S.B. Rems ... the Rem 11's work best on most Colts, for me. Now the CCI #11 was a perfect fit on my 1861 Old Army Rem ~ but I have to squeeze a hair CCI#11's on my Piettas.
    Good topic thanks for makin' me think and the Charts... I learned sumfin :O)
  18. Hellgate

    Hellgate Well-Known Member

    The RWS 1055 is the RWS version of a #10 cap and happens to be the smallest cap I've ever bought. It probably is closer to the CCI #10 only because the CCI #10 is the smallest of those available.
    What I like about the Rem#10 is that it is "pre-split" and will bell out to fit a greater variety of nipple cone shapes than the more rigid CCIs and RWS caps. The Rems don't fall off under recoil either. I have replace some of my ASM and Piettas with the Uncle Mike's/Butler creek stainless nipples but my Uberti and Euroarms '58 Remingtons all thake the Rem#10 cap as well as the Uberti Walkers and Dragoon.
  19. pohill

    pohill Well-Known Member

    From an old Colt Industries pamphlet:
    "Percussion caps are now made in sizes from nine to thirteen. Ten and eleven are the best numbers for the small and medium-sized arms, and twelve for the larger sizes, although, as different-sized nipples are sometimes met in specimens of the same model, no hard and fast rule can be given. It is better to have caps slightly too large than too small, as large caps can be pinched together at the bottom enough so they will stay on the nipples, but small ones must be driven down on the nipple by the blow of the hammer, and this process frequently cushions the blow to the extent of producing a misfire."
  20. 4v50 Gary

    4v50 Gary Moderator Staff Member

    Good idea mykeal.

Share This Page