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Rifles, Reloading, Optics, Equipment
Reloading
Help me figure out why I'm blowing primers
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<blockquote data-quote="Mike Matteson" data-source="post: 1791221" data-attributes="member: 101791"><p>Going back to hard bolt opening. Check your case length. my 25/06s I have to be careful on case length with that round. Love the 25/06. The only other thing is bullet touching the rifle lands.</p><p>The other is are possible trying to use small rifle primers? I don't see how they would fit, or stay in. I have blown primers a couple of times. That generally only comes from Psi over 70,000 lbs. I know that bench rest primes are hotter than normal primes. Or I should say Federal bench rest primers are hotter than their Fed 210 primes. Unless something has change that I am not aware of the Fed. 210 primers are the coldest primers on the market. </p><p> I generally develop loads using 26" barrels using slower powers with higher powder charge. Figuring the power burn through the entire barrel length. Shorter barrels I step up to a little faster burning rate powder and again using a Fed 210 primer.</p><p></p><p> the other is take your rifle down to a gunsmith with fire rounds and primer to let him look at it. </p><p></p><p>Here some examples: A late friend of mind develop loads for his 338 Win Mag in a Rug. Mark 11 with a 24" barrel. It kick the hell out of me, because I was that shot it for groups. Put in 1.5 lbs triger in it that beat the 8 lbs triger that came with it. Loads bullet grains from 175 to 250 grains bullet. Barns, Noslers, Horndys. The fast of them all was 200 gr. Nosler. That was with a Fed-210 with Winchester 760 powder. We got 3230 fps/4633 e. It was a tack driver to boot. The other rounds were from 175 gr. to 250 gr bullets. 175 gr. Barns @ 3330, 180gr. nosler 3270. Most use a WLRM primer except for 2 using Fed -210 primers. </p><p></p><p>A few years later I was able to purchase the rifle from him. I just left in the gun save for several years. I came across a gunsmith that built muzzle brake that tame that down to a little kitty cat. Love the rifle now. Use it last year in Africa last year. That 200 grain did the job.</p></blockquote><p></p>
[QUOTE="Mike Matteson, post: 1791221, member: 101791"] Going back to hard bolt opening. Check your case length. my 25/06s I have to be careful on case length with that round. Love the 25/06. The only other thing is bullet touching the rifle lands. The other is are possible trying to use small rifle primers? I don't see how they would fit, or stay in. I have blown primers a couple of times. That generally only comes from Psi over 70,000 lbs. I know that bench rest primes are hotter than normal primes. Or I should say Federal bench rest primers are hotter than their Fed 210 primes. Unless something has change that I am not aware of the Fed. 210 primers are the coldest primers on the market. I generally develop loads using 26" barrels using slower powers with higher powder charge. Figuring the power burn through the entire barrel length. Shorter barrels I step up to a little faster burning rate powder and again using a Fed 210 primer. the other is take your rifle down to a gunsmith with fire rounds and primer to let him look at it. Here some examples: A late friend of mind develop loads for his 338 Win Mag in a Rug. Mark 11 with a 24" barrel. It kick the hell out of me, because I was that shot it for groups. Put in 1.5 lbs triger in it that beat the 8 lbs triger that came with it. Loads bullet grains from 175 to 250 grains bullet. Barns, Noslers, Horndys. The fast of them all was 200 gr. Nosler. That was with a Fed-210 with Winchester 760 powder. We got 3230 fps/4633 e. It was a tack driver to boot. The other rounds were from 175 gr. to 250 gr bullets. 175 gr. Barns @ 3330, 180gr. nosler 3270. Most use a WLRM primer except for 2 using Fed -210 primers. A few years later I was able to purchase the rifle from him. I just left in the gun save for several years. I came across a gunsmith that built muzzle brake that tame that down to a little kitty cat. Love the rifle now. Use it last year in Africa last year. That 200 grain did the job. [/QUOTE]
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Help me figure out why I'm blowing primers
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