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Field testing 45-70 cast bullets and powder coating
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Site Supporter   Location: The banana belt of MT Joined: Wed Dec 30, 2015 Posts: 8586 Real Name: Brian 
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This was a comparison of two bullet types with the same smokeless AA5744 low pressure powder load, almost...I had .2 grains more in the Powder coated bullets. (26 gr vs 26.2)
Mind you, I was testing velocity first, and accuracy 2nd. I didn't see much difference on accuracy at 100 yards. The biggest difference I saw was when I cleaned the bore after 10 shots of Powder coated and non-powder coated. Much cleaner barrel on the PC bullets. Makes sense though, no lube on PC bullets! Rifle: .45-70 (1883 cartouche)-Trapdoor with a .458 slugged bore diameter. Bullet:Lyman mold (457193) cast, throw weight = 425 gr - powder coated- Sized to .458 Powder:AA5744 26.2 grains Primer: CCI Rifle Magnum Notes: EXCELLENT Spread on the velocity.Cleaner bore than lead bullets after shooting 10 rds. One "Hole through hole" shot.    Rifle: .45-70 (1883 cartouche)-Trapdoor with a .458 slugged bore diameter. Bullet: Missouri 405 gr Blue lubed bullet. Sized to .459 Powder:AA5744 26.0 grains Primer: CCI Rifle Magnum Notes: slightly dirtier bore than PC bullets after shooting 10 rds.    _________________ "I hate to advocate drugs, alcohol, violence, or insanity to anyone, but they've always worked for me."- Hunter S. Thompson |
| Fri Feb 24, 2017 5:51 pm |
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Site Supporter  Location: East of Japan, not by much. Joined: Fri Jun 3, 2011 Posts: 12990
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Interesting. Really cleaner, better grouping too.
Plus, you can call them " Blue Meanies " Nostalgic Beatles cool projectiles. _________________ Give a man a fish, and he will eat for a day. Give a man a fishing pole, and he will drink too much beer, get tangled in fish line, hook himself in the nose casting, fall overboard, and either drown, or, go home hungry and wet. Give a man a case of dynamite, and he will feed the whole town for a year! BE ON NOTICE: PRIVACY NOTICE: Warning - any person and/or institution and/or Agent and/or Agency of any governmental structure including but not limited to the United States Federal Government also using or monitoring/using this website or any of its associated websites, you do NOT have my permission to utilize any of my profile information nor any of the content contained herein including, but not limited to my photos, and/or the comments made about my photos or any other "picture" art posted on my profile. You are hereby notified that you are strictly prohibited from disclosing, copying, distributing, disseminating, or taking any other action against me with regard to this profile and the contents herein. The foregoing prohibitions also apply to your employee, agent, student or any personnel under your direction or control. The contents of this profile are PRIVATE and legally privileged and confidential information, and the violation of my personal privacy is punishable by law. UCC 1-103 1-308 ALL RIGHTS RESERVED WITHOUT PREJUDICE |
| Fri Feb 24, 2017 5:57 pm |
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In Memoriam  Joined: Wed Mar 6, 2013 Posts: 12018
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Thanks Brian! Excellent write up.
 I'll be joining you in regularly PCing my cast bullets. |
| Fri Feb 24, 2017 6:54 pm |
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Site Admin   Location: Renton, WA Joined: Sun Mar 13, 2011 Posts: 52032 Real Name: Steve
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The blue ones are prettier. Win.
No need for all of that testing. _________________ Steve Benefactor Life Member, National Rifle Association Life Member, Second Amendment Foundation Patriot & Life Member, Gun Owners of America Life Member, Citizens Committee for the Right to Keep and Bear Arms Legal Action Supporter, Firearms Policy Coalition Member, NAGR/NFGR Please support the organizations that support all of us. Leave it cleaner than you found it. |
| Fri Feb 24, 2017 8:54 pm |
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Site Supporter Location: The banana belt of MT Joined: Wed Dec 30, 2015 Posts: 8586 Real Name: Brian
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Thanks fellas!
My next field test is a black powder cartridge test. Lyman 500 grain bullet (throws at 525) with greased grooves (SPG Lube) vs the same bullet with powder coating. Using identical BP loads. Probably next week-end when all my stuff gets here (Lyman mold, SPG Lube, etc) _________________ "I hate to advocate drugs, alcohol, violence, or insanity to anyone, but they've always worked for me."- Hunter S. Thompson |
| Sat Feb 25, 2017 6:53 am |
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