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Old 12-26-2011, 23:18   #1
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Heavier bullets to long for Mini14 magazines??

I think I pulled a noob manuever and could use some help.

I got bored of loading the same plinking Hornady 55gr btfmj for my 1-9" 580 Mini14. I bought a box of 60gr SPs, which I loaded to fit the magazine. They cycle and eject just fine.

I bought a box of Hornady 68gr HPs, the heaviest I'm willing to shoot (for the two-legged varmints). I didn't realize upon purchase how long these would be. My worry is that if I seat them to fit the mag, will the rear end of the bullet be too deep into the case? I have a digital caliper, and by the math the rear end of the bullet will be .474" into the case, measured from the case mouth. Is this normal because this looks crazy to me. Thanks in advance.
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Old 12-27-2011, 13:55   #2
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Not sure but..

Can you measure to the ogive? , and are you loading compressed loads, I mean, I am not cetain it will matter as long as your bullet is not seated so far back in the case that the crimp wont work, you are using hps which is usually a little easier to fit in the mag than polymer tips. Hope I didnt waste your time. Also do extra reasearch if you start compressing your charge this can change things.
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Old 12-27-2011, 18:31   #3
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if you are talking about hornady 68 grain bthp, than you can easily load them to 2.25 col which is normal for .223. you really only have to start with longer col in the 75 grain plus. if you need some load data let me know what power you have, i have the hornady 8th edition. ps just because you have more bullet in the case does not mean you will have a compressed load, when the bullet goes in the case further you just use less power just like any pistol round.
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Old 12-28-2011, 09:03   #4
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Originally Posted by maxvauderk View Post
.... you are using hps which is usually a little easier to fit in the mag than polymer tips. Hope I didnt waste your time. Also do extra reasearch....
You're not wasting my time at all. Thank you very much for your input. I'm desperate for info..I need to by a loading book now that I'm getting beyond the "basics".

Originally Posted by edward View Post
if you are talking about hornady 68 grain bthp, than you can easily load them to 2.25 col which is normal for .223. you really only have to start with longer col in the 75 grain plus. if you need some load data let me know what power you have, i have the hornady 8th edition. ps just because you have more bullet in the case does not mean you will have a compressed load, when the bullet goes in the case further you just use less power just like any pistol round.
Thank you for this. As I did more research in other venues I was reading the same. I had no idea these longer bullets could be seated so deeply into the casing, and there is no cannelure to stop at, so I had nothing to go on. I was paranoid of too long a COL to run in my semi-auto. I would hate to load single rounds.

I am "Lee Dipping" at the minimum charges, so no "crunching" yet.
Now that I have your info and can load my full range of bullet weights in my magazines, I will get a powder measure and start tuning them. Thank you so much.
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Old 12-28-2011, 14:00   #5
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BTDT-the hornady's did fire in my mini's-but would not shoot accurate in the old 1 in 10 twist barrel.I went back to the sierra 69gr hpbt's and accuracy came back,as the sierras are a "shorter bullet".Also different ogive.Good luck with the horndies!
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Old 12-28-2011, 17:26   #6
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You really, really need a reloading manual!

The 68gr in a long bullet may not stabilize at longer ranges (e.g. 300-500yds)
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Old 12-28-2011, 20:55   #7
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Originally Posted by ManyFeathers View Post
You really, really need a reloading manual!

The 68gr in a long bullet may not stabilize at longer ranges (e.g. 300-500yds)
There are alot of manuals and people that do all kinds of tricks re-inventing the 5.56 or .223 rem so you can find the info around on what to do. COL is important in the mini 14 and some other sa rifles. You have a harder time cheating like you can with certain bolt guns. Reliability to feed and consistent groups are more important. I like that you are getting into it and pushing the envelope or heading that direction, doing the same old same old is just that . I have the books so I can still maintain a margin of safety...lol
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Old 12-28-2011, 23:00   #8
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You should have no trouble loading or stabilizing the 68gr. bullet. I load sierra's 69gr. to an OAL of 2.26'' and they fit in my magazine and the 1:9 twist shoots them just fine. I have shot some 75gr. superformance ammo just to see if the ruger would stabilize and besides being very accurate the mini had no problem stabilizing them. I highly recommend a reloading manual.
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Old 12-29-2011, 13:34   #9
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Thank you very much for the input guys. I'll be picking up Hornady's 8th Edition from my local Cabela's ASAP.

Originally Posted by qwman68 View Post
.....I have shot some 75gr. superformance ammo just to see if the ruger would stabilize and besides being very accurate the mini had no problem stabilizing them. I highly recommend a reloading manual.
This is great to know. Were these 75gr rounds so long that you had to load them into your Mini one-by-one?

I'd like to have a few rounds of the heaviest bullet possible, just in case I was desperate enough to have to shoot a deer, or anything else of a heavier weight.

My dad owns 150+ acres in New Mexico. We have recently drilled and now have a steady source of water that brings in local wildlife. I'm thinking of learning and honing my survival skills, and getting the heck out of this mess for a while. If I can accomplish this, I will want as little equipiment as possible for reloading. I will be completely ditching the weighing scales and powder measures and will only be Lee Dipping, which has proven so far to be accurate out to 100yrds....
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Old 12-29-2011, 16:11   #10
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Seriously, the mantra of the reloading bench is that the most important piece of equipment is your reloading book, I have yet to purchase a modern one for the newer projectiles and newest powders but I always try to keep one open to the caliber I am working on to tripple check dimensions ect.. welcome to a wonderful way to burn time and save money, overall I think the best point is you now have the ability for repeatable consistancy from you componets and rifle.
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Old 12-29-2011, 18:10   #11
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Originally Posted by maxvauderk View Post
Seriously, the mantra of the reloading bench is that the most important piece of equipment is your reloading book, I have yet to purchase a modern one for the newer projectiles and newest powders but I always try to keep one open to the caliber I am working on to tripple check dimensions ect.. welcome to a wonderful way to burn time and save money, overall I think the best point is you now have the ability for repeatable consistancy from you componets and rifle.
I agree with you. I started out reloading with a 1st edition nosler manual. After you have reloaded a certain caliber for awhile you kinda know what you want to do. I also double check just to be safe.

The 75gr. fit my ruger 20rd mags and the promag 20rd mags. I like the idea of a heavy for caliber bullet too, eapecially for the .223. I have killed deer with my mini and 65gr. sierra gamekings. If you want to have a good bullet for small-medium sized deer thats a good one. I dont know where you can get that weight bullet in a factory load but its a good one IMHO. It works.
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Old 01-09-2012, 15:54   #12
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+1 on the manuals, i have 4, and get a power measure and scale, can't do much without them, and on the measure make sure it has pistol and rifle inserts so they are optamized for each weight range. i love reloading just as much as shooting!
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Old 04-27-2012, 11:37   #13
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I've only been reloading about a year but i have 4: Lyman 49th, Modern Reloading 2nd edition, Lyman 46th and an older Sierra, plus the loading data that comes with the dies and from powder manufacturer's websites. The only one I didn't have when i started was the Lyman 49th, but I still use the MR 2nd ed. the most though because it has a better selection of powders and loads per cartridge.
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Old 05-02-2012, 10:35   #14
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Something to consider is the type of powder. I use win 748 and varget to keeps things simple at my bench for .308 and .223/5.56. 748 is a ball powder, varget is extruded.

While the loads are similar, i find the varget becomes a slightly compressed load at 25 grains with 69 gr matchking bullets loaded to 2.246" for ultra easy magazine loading and perfect feeding. I also load soft points to this length and the soft point is the reason i ended up at 2.246...minimizes tip damage if you get a long one.

On the other hand, 25 gr of win 748 produces similar accuracy results and is not compressed at all. No pressure indications on either load, just two different powders loaded to the same length and charge weight with the same bullet, both in the upper third of the load range.

I find that interesting and may change exclusively to win 748 if some of the varget rounds i am watching end up "growing" from the powder pushing back.

For deer, I would just buy a box of winchester super x 64 gr power points. i shot a deer at 177 laser measured yards (whatever that means) with one of these in the heart. I put a second one 2 inches from that one (savage bolt action rocks) before the deer dropped, but it was not moving at all...just wavering on its feet. They do the job...the sierra would have to be loaded hot to match the perfoemance of these..not sure how much but the winchesters have flat primers and kick harder than my handloads.
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