New to me BP rifle

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  • Last Post 2 weeks ago
GP Idaho posted this 2 weeks ago

Once again I've fallen for E-mail advertisement.  I'm hoping some of you won't mind a few simple questions and a bit of advice. I'm not an experienced black powder shooter and have previously only had one other BP gun, a reproduction Colt Walker. Yesterday I purchased a Lyman Mustang inline rifle. It's a 50 caliber, twenty six inch barrel with a 1 in 28 twist. It has an over-all length of 42.5" and weighs 11 pounds.  Here's my thoughts and questions, please correct me where needed.  For powder, I'm thinking the Alliant BMZ and a few of those pellets made for in-lines. I think (don't know) that the twist is too fast for round ball loads and am thinking of these options.  Sabots with 44 or 45 caliber bullets, Accurate mould # 51-320,  Lee 50-320 Real, Lyman # 504617 or # 508656.  Advice?  NewBee questions Do you lube the sabots when using them? I've heard that SPG and Darr lube are very similar. Is this true?  I have the Lyman Black powder handbook 2nd edition and # 3 and 4 of the cast bullet handbooks. Thanks guys. Gp

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Ross Smith posted this 2 weeks ago

I don't shoot inlines but have ton of experience with traditional m/l's. If you can find a mold for a 50 cal slug that shoots well you will be way ahead of the cost of sabots and pistol bullets. At least use cast 45's with the sabots to save money. Some of those combo's are a buck or more each! Next, while helping a friend sight in his inline, I noticed he was limited to just 2 loads, 50 and 100 grains equivalent pellets. Use a loose powder such as bp or pyrodex and you gain more versatility. Just my 2 cents, Ross  Enjoy!

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GP Idaho posted this 2 weeks ago

Thank you Ross for your reply. No, I don't think you'll find me shooting too many $1 rounds out of this rifle.lol  I have several 44 and 45 caliber moulds that throw bullets I'd like to try in sabots.  This rifle will be used primarily for banging a steel plate and grandson may want to give it a go hunting. For hunting elk, I might just spend the money on a few high price rounds but that's a different thing than plinking.This rifle is capable of using the 150 charge weight but I have no plans for those either.  Would still like some thoughts on a favorite mould for solids. Thanks Gp

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Maven posted this 2 weeks ago

I have a similar inline, a Knight .50cal. Bighorn, also with a 26" 1:28 twis bbl.  While it shoots patched RB's accurately, groups open when powder charges exceed 60gr. FFg.  Conical bullets, e.g., Maxi-Balls and Lee REAL's, are accurate, but as with CF rifles and pistols, how well they fit the bore is a most critical factor.  (Btw, if they're a too narrow or fit your bore sloppily, you can paper patch them.)  As for sabot, I've only used MMP sabots (unlubed) and they do leave plastic fouling behind.  However, the .50cal. green high pressure ones + Lyman #429421 grouped impressively @ 50 yd.

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GP Idaho posted this 2 weeks ago

Thank you Maven. I have the NOE clone of the Lyman #429421.  I see you can buy sabots for the 50s that are for either 44 or 45 caliber bullets. That should give me a wide range of bullets to try that I already have on hand. Enjoy the day. Gp

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Maven posted this 2 weeks ago

I forgot to elaborate on this yesterday, but Maxi-Balls, specifically those cast from Thompson Center molds v. Lyman, have been more dimensionally consistent and a better fit in my rifle.  Needless to say, they were very accurate too, and left no plastic fouling behind.  OTOH, with real BP or Pyrodex RS, you'll have to damp patch the bore after every other shot if tou want peak accuracy and easier seating.

 

P.S.  I got poor accuracy from T/C factory cast hollow point Maxi-Balls in my rifle using the same loads as the solid, home cast T/C Maxi-s

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