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reloading for semi auto.............. |
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bobaldoo
Optics Apprentice Joined: June/06/2011 Location: alberta canada Status: Offline Points: 72 |
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Posted: December/02/2011 at 14:23 |
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is there a max fps on reloads for a mini 14(223). wasn't sure if the added pressures would effect the gas system...and if so where does a person find that info......thanks......
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"I can hear you, the rest of the world hears you and the people who knocked these building down will hear all of us soon." g bush....
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BeltFed
Optics Retard Joined: February/12/2008 Location: Ky Status: Online Points: 22290 |
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Sounds like your new to reloading. If you haven't got a reloading manual, you need to go to a gunshop that sells reloading equipment and pick one or two up. Read them carefully, they should be able to answer your question and you will NEED the manual for reference.
If I'm wrong; what is your experience?
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Life's concerns should be about the 120lb pack your trying to get to the top of the mountain, and not the rock in your boot.
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jonoMT
Optics Master Extraordinaire Joined: November/13/2008 Location: Montana Status: Offline Points: 4853 |
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It's a good question to ask though. I've always been careful to load my semi-auto (M1 Garand) to not be hot. Otherwise you'll risk bending the op rod...same would apply to the M1A/M14 or the mini. Also, you need to always full-length resize. Check out the manuals at your local store as Beltfed advised. There's like some starting loads specific to .223 for the mini.
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Reaction time is a factor...
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Urimaginaryfrnd
MODERATOR Resident Redneck Joined: June/20/2005 Location: Iowa Status: Offline Points: 14964 |
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With .223 and 5.56mm NATO the semi auto actually is a tad hotter than the bolt guns. The Horniday manual is the best refrence. Note 7.62 mm NATO vs .308 the military rifles load lighter bullets with lower powder charge than bolt guns so just the opposite holds true. Buy the Horniday manual.
Also it is very important to measure case length and trim and to measure over all length.
Edited by Urimaginaryfrnd - December/02/2011 at 21:01 |
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bobaldoo
Optics Apprentice Joined: June/06/2011 Location: alberta canada Status: Offline Points: 72 |
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my point exactly, i load 23 gr of benchmark powder that pushes a 55 gr bullet 3050 fps(nosler #6 book) its the smallest load from benchmark but was told recently if the load is to hot it can damage the gun...so was looking for a happy medium between accuracy and not blowing up....
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"I can hear you, the rest of the world hears you and the people who knocked these building down will hear all of us soon." g bush....
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bobaldoo
Optics Apprentice Joined: June/06/2011 Location: alberta canada Status: Offline Points: 72 |
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"I can hear you, the rest of the world hears you and the people who knocked these building down will hear all of us soon." g bush....
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bobaldoo
Optics Apprentice Joined: June/06/2011 Location: alberta canada Status: Offline Points: 72 |
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"I can hear you, the rest of the world hears you and the people who knocked these building down will hear all of us soon." g bush....
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Alan Robertson
Optics Master Joined: October/31/2009 Location: Oklahoma Status: Offline Points: 1763 |
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Howdy bobaldoo,
"...was just wondering if to hot of a load will damage the gas driven system..." Yes You will want to load for your Mini-14 using .223 data as milspec (5.56) is loaded to quite a bit higher pressure. Your given load looks ok... Hodgdon (online) lists 23.4- 25.6 gr. max load .223 for Benchmark with 2 different bullets, so you can see that different bullets require different powder charges. Also as example, Ramshot lists .223 charges of TAC powder from 24 gr. - 25.8 gr. depending on which 55gr. bullet is loaded. Other mfg.'s would do us all a favor by following Ramshot's testing/publishing methods for load data as Ramshot does a great job of presenting load data. http://www.ramshot.com/wp-content/uploads/2010/09/ramshot_handgun_rifle.pdf You could ladder- test to find what's most accurate for your rifle and also determine where your fired cases start to show pressure signs. It would be very useful to you to study the reloading pages at: http://www.ar15.com/forums/f_6/42_Reloading.html |
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bobaldoo
Optics Apprentice Joined: June/06/2011 Location: alberta canada Status: Offline Points: 72 |
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"I can hear you, the rest of the world hears you and the people who knocked these building down will hear all of us soon." g bush....
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tjtjwdad
Optics Journeyman Joined: December/11/2007 Status: Offline Points: 365 |
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With my experience;
-The Hodgdon "Extreme" line of powders are more consistent (velocity) than the Alliant powders as the temperature changes.
-The Alliant powders are no better or worse than other powders of it's class (temperature effects).
Here's an interesting article:
HTH
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