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  1. V

    Why the "patent breech" design ?

    I've attached the before and after photos.
  2. V

    Why the "patent breech" design ?

    I recently had a .451 long range muzzleloader come to me that has a history of misfires. After getting the patent breechplug out, I found it was heavily corroded in the .375" "chamber". This "chamber" had a flat bottom and not like the hemi shaped ones I see in diagrams. This breechplug is...
  3. V

    Where to start with a 45cal 1-18twist load

    Bob243, You've recieved some good advice above. I have now built 2 of the underhammers for use in long range competition. Both use Green Mountain .45 cal. 1:18 twist barrels. I've used both paper patch and grease groove bullets. The heavier #6 barrel shoots a 100 gr. charge of Swiss 1.5 with...
  4. V

    long range shooting with m/l

    I've built 3 LR muzzleloaders to date. One was on a T/C Renegade stock with a Green Mountain .45 cal. 1:18 twist barrel. It shot very good all the way to 1000 yards. But, due to its light weight was a real kicker. The bullets were either 520 gr paper patch or 540 gr. grease groove bullets on...
  5. V

    Latest LR Underhammer

    TheDuck, The rifle I used for NRA competition is a heavier 15lb underhammer then the one I just finished. I've attached photos of a similar group shot at 300 yards off cross sticks. There are only 9 holes in this target as I was using the last 9 paper patch bullets I had that day. The other...
  6. V

    Latest LR Underhammer

    sjf, The trigger only needed to be cleaned up with a stone and buffed. It is down to 2lbs and very crisp. I built another one on the same type action several years ago. That one had a heavier #6 weight barrel (1.200" across the flats) and weighed just under 15 lbs. I used it for NRA target...
  7. V

    Latest LR Underhammer

    Just finished my latest long range underhammer project. This one is a Deer Creek action, Green Mountain #5 weight, 34", 1:18" twist .451 caliber barrel, Lee Shaver front sight w/spirit level, Mike Stevens vernier rear sight and English walnut stock / forearm. I've yet to weigh it on a...
  8. V

    Green Mountian Barrel Wear Out

    Although I have several muzzleloaders, none of them have the huge numbers of rounds shot thru them as my BP cartridge rifles. 2 of them in particular have had over 10,000 rounds shot thru them. One in particular has had at least 15,000 in 45-70 caliber with heavy 545 gr bullets. This rifle is...
  9. V

    Accidental Discharges removing a cap

    Having a bit of compound along the side of the nipple is probably the most plausable explaination for the discharge. We'll never really know. It just reinforces safe handling practices. Frank M.
  10. V

    Accidental Discharges removing a cap

    Roundball, Nope, the hammer definatly did not come down on the nipple a second time. I do remember looking at him scraping the cap off and seeing the gas "whoosh" out the nipple with the hammer cocked. It is possible it was a hang fire but there was a considerable amount of time from the last...
  11. V

    Accidental Discharges removing a cap

    No, it has never happened to me. But I did witness it happining to another shooter. He was shooting an imported Kentucky type rifle that failed to fire the cap. It was driven down on the nipple and he was trying to remove it with a Buck knife. He had the muzzle pointed upwards at an angle...
  12. V

    Why is the Gibbs in .451 and .40?

    Jarikeen, As far as I know, the .451 has a fast twist for shooting conicals. It is generaly used for long range. The 40 cals were originaly made with a slower twist and used for short range. Recently, I saw where the 40 cals now come with a fast twist version. (1:16" I think) Some folks will...
  13. V

    Any long-range shooters here?

    Hello xxgrampa, Good to hear from you. Did quite well at the Last World Championship in South Africa last spring using a cartridge gun. But there were several shooters using the Pedersoli Gibbs and a couple original Rigbys. I drifted back over to muzzleloaders after the match for something...
  14. V

    Any long-range shooters here?

    Bill, No, the bullet is a custom mold made by Fred Leeth, (Pioneer Products) I think the mold number is LRML .451. It looks like the Postell but drops at .451" dia. I size it to .450. FM
  15. V

    Any long-range shooters here?

    JJ, The 600 yard target (U.S.) is 36" dia bull with X, 10, 9, 8, 7 rings in the black. The long range target is 44" dia bull with X, 10, 9, 8 rings in the black. The target frames are 72" X 72". The International target is the Vbull target. The long range is 48" dia. and I don't remember...
  16. V

    Any long-range shooters here?

    Bill, I have one of the Trapdoor pistol grips also, so copied it in walnut to put on the Renegade stock. It does help managing the rifle easier. I've added one to another Renegade set up as an offhand round ball gun. The underhammer is much more comfortable to shoot then the Renegade. But it...
  17. V

    Any long-range shooters here?

    Dan, The breechplug was removed from the original .54 cal barrel and reused. I soaked it in Kroil for a couple weeks before trying to unscrew it. Came off easy. FM
  18. V

    Any long-range shooters here?

    Since that worked, I'll attach a closer view.
  19. V

    Any long-range shooters here?

    Bill, I'm not sure this is going to work, but hopefully a photo will come thru. Both of these rifles have been shot out to 1000 yards. I use a Grease Groove bullet 540 gr. and 100 gr of Swiss 1.5 They both have platinum lined nipples. The Renegade on the bottom has a 1" GM 1:18" twist...
  20. V

    Any long-range shooters here?

    Started the LR muzzleloader shooting about 3 years ago with a GM barrelled Renegade. Heavy charges and the light weight made it tough to shoot all day. So I put together another one with a #6 .45 GM barrel and underhammer lock last year. Been enjoying it ever since. I shot GG bullets last...
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