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  1. N

    SOLD Billinghurst switch barrel Underhammer .458/.45RB

    I love this gun, but life priorities are changing and I'm not likely to find time to enjoy it as much as I used to. It was made by John Braxton of the Snow Camp area of NC. He also made the replica cannons at Fort Fisher I am told if the name sounds familiar. Anyway, I talked with John when I...
  2. N

    Short Lefty

  3. N

    New Squirreler

    Pay no attention to the ramrod, still working on a field rod.
  4. N

    tang/peep sight photo request

    I'm looking for photos of rear tang/peep sights people have built for their guns. I'm trying to come up with a peep for my squirrel rifle and was thinking a lollipop would work best for shooting, but the thought of a long post on the tang that could get bumped has got me concerned. So any long...
  5. N

    Fit in a barrel channel

    When I stake the barrels, I give them some room to slide fore and aft, but how important is room side to side? I am reworking a stock that originally had a 15/16" straight octagon going to a 13/16 straight octagon. I intended on filling it with some 1/16" +/- strips and was just wondering if I...
  6. N

    32 caliber barrel lengths

    looking to put a 32 cal (48 twist) together in another underhammer. When does the velocity gain versus barrel length dividend start to diminish in a 32. Beyond that, is the real benefit to a longer barrel sight radius only? I got a current stock that would support a 32" barrel without any...
  7. N

    Hit with the (under)Hammer of Thor

    Gun likes them sized at 0.451, and at a 22 twist, I may have been on the light end of what it can handle, but a 280gr SAA Colt bullet, 85gr of FFFg, and a brisk Saturday morning combined to drop this wonky antlered stud. What should I make from this undergotten booty?
  8. N

    Need help ID'ing a 32 cal barrel

    Always looking for Black powder parts to support my underhammer habit and I got a line on an a Navy Arms 27" 32 caliber barrel. No other info. What is the most probable twist of this critter? I'm trying to make a switch barrel billinghurst that shoots the range of maxiballs...
  9. N

    Barrel Twist and the Greenhill formula

    I have an unhealthy fascination with T/C Maxi Balls. I spreadsheeted the Greenhill formula for barrel twist and came up with: 32 cal = 24 twist 45 cal = 40 twist 54 cal = 48 twist (I haven't purchased maxi's in other calibers yet.) I have a 45 cal in a 48 twist, but was planning on getting a...
  10. N

    a barrel for a 54 cal maxi ball

    I have an old TC Maxi Ball mould and a Billinghurst Underhammer that I am slowly building more barrels for. What barrel would be good for shooting that specific projectile, trying to keep weight to a minimum. Factor in length, twist, external diameter. Bullet is about 420gr (ish), 0.9" long...
  11. N

    Help choosing iron sights

    This was originally set up for a scope, but I want to iron sight it. 25" barrel, 22" twist 45. Shoots a 280gr SAA ok, should be able to go to 400gr and stabilize. Want to be able to cover my regular hunting grounds, (50-150 yards) but would like to plink out to 300 if given the time (about...
  12. N

    45 cal cast bullet velocity

    Realize its not too traditional, but the 22 twist underhammer I have supposedly tosses the 360 gr or 405 gr 45-70 bullets the best. What would be an anticipated MV for these bullets using FFFg?
  13. N

    Gunshop find - Braxton Underhammer

    Found this unfortunate soul as a no price consignment gun in a local shop: John Braxton's been making civil war era replicas, muzzleloaders, and cannons out of Snow Camp, NC for decades (nigh over half a century). Hated to see this thing set on a shelf without a worthy price tag, so I...
  14. N

    fast twist 32 caliber- bullet & load question

    Let's assume I got bored and converted an 8x57 danish rolling block barrel (approximately a 12 twist) to an underhammer (essentially 32 caliber muzzleloader.) I'm getting some preliminary accuracy results of 2"-4" at 40 yards with 40gr FFFg and a 103gr Maxi-Ball. This may tighten up as the...
  15. N

    Something to do with those old Swede Barrels

    You know, those leftover barrels from Swedish military Rolling blocks that have been converted from that obsolete 8x58 RD to something with more panache. Then you have that cavernously chambered 8mm barrel lying around looking lonely. You think a 12 twist 32 cal will stabilize maxiball...
  16. N

    What Length and spacing for ramrod pipes?

    I made up a few for the 1st time last night. Fun process. On a full stock longrifle with no historical significance affecting choice (underhammer build), how long should the pipes be, and in general, what factors would affect the number used? I'm going to have about 26" +/- between the entry...
  17. N

    wedges versus pins - you got less than a day to respond.

    I plan on putting some underlugs on my underhammer build tomorrow morning and I've been toying with a few notions, mainly using wedges or keys versus pins. The gun does not have to be a historically accurate thing, as its using an allen underhammer action anyway, but at this point, its full...
  18. N

    underlug thickness for the slotted part

    What is the typical thickness for the underlug web that has the slotted part the wedge passes through? I've got nothing to measure so I'm winging it.
  19. N

    underhammer build - stock question

    Got a 54 caliber underhammer build going on using this lock : I got the lock inletted, and the breech plug/tang fit, indexed, and inletted. Was going to start some stock shaping, narrowing the foreend and such before doing the ramrod groove and hole, when I got to thinking. Most...
  20. N

    nipple lengths - how long do they go?

    Working on an underhammer build, and it would help my overall fit with the action to have as long of a nipple as possible, i.e. the distance from where the shoulder at the threaded section to the top where the cap goes. All the one's I got laying around here from days gone by are 0.42 to 0.47"...
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