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I just ordered and got one of these dies from Midway in .300 Win. Mag. Has anyone else used these? I'm wondering about lubing the inside of the case neck? It should still be required since the expander ball is going to be pulled through it on the way out, correct? Have any of you experienced any better accuracy segregating your brass to a given rifle, then just neck sizing them with this die? Bill T. | ||
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Superb dies. No need to lube, they work by compressing the collar's 'petals' against the mandrel. The natural 'spring back' of brass then releases the mandrel as you ease pressure on the press arm on the up swing. Adjustment can be a little confusing though, I turn the die in by 1/8th turns till I achieve the desired neck tension. | |||
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No need to lube as Haggis has already posted. Don't be alarmed if you get little or weak neck tention with the Collet die. Lee sets then up for about .001 neck tension. On several of my Collet dies I need to increase the neck tension be reducing the size of the mandrel. Simple enough, just chuck it into a drill and polish it down to your desired size. Or you can call Lee and purchase a "reduced" mandrel for $5. They are great dies and will produce some amazingly concentric ammo. | |||
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Believe it or not, Lee Collet Dies don't always produce the most accurate ammo. In a 7mm/08 I have, I had to go back to full length sizing or to using a traditional neck sizing die to recover the accuracy. | |||
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My son in law and I use Lee Collet dies for his F class shooting. We use .223 and .308 Win. We find that rotation the case a bit after the initial size and re sizing again (not as much pressure on the press arm) we are very pleased with the accuracy. Same thin is true for the Lee Factory Crimp die! Rusty We Band of Brothers! DRSS, NRA & SCI Life Member "I am rejoiced at my fate. Do not be uneasy about me, for I am with my friends." ----- David Crockett in his last letter (to his children), January 9th, 1836 "I will never forsake Texas and her cause. I am her son." ----- Jose Antonio Navarro, from Mexican Prison in 1841 "for I have sworn upon the altar of god eternal hostility against every form of tyranny over the mind of man." Thomas Jefferson Declaration of Arbroath April 6, 1320-“. . .It is not for glory, nor riches, nor honours that we are fighting, but for freedom - for that alone, which no honest man gives up but with life itself.” | |||
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I use it for .223,7x57,and .280 with great results.I also use Lee's factory crimp die on all. | |||
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I use one of these in .223. I use Hornady 1 Shot case lube and I make sure to get into the neck anyway. I do the full length size (which does require lube) and perform the neck sizing (which does not require lube due to the petal/mandrel squeeze). Can't answer the segregation question as I only have one AR-15. ---------------------------------------------------------------------------- "All our liberties are due to men who, when their conscience has compelled them, have broken the laws of the land." -- William Kingdon Clifford | |||
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Great advice. It takes very little time to withdraw the case an inch or so after sizing, turn the case approximately 1/8 turn while still in the shellholder, and run it into the Collet die again. This makes for an extremely uniform round neck and usually negates the need to polish the mandrel down in order to get the proper neck tension. The time saved by not lubricating (and particularly by not having to clean the lubricant off) makes the Lee Collet die a huge labor saving device (as well as turning out very concentric ammunition when fired in non-stretchy actions). | |||
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In the instructions with the collet dies it states that sizing the case then backing off the ram and rotating the case 1/2 turn and resizing again can help with getting correct neck tension. Been using LEE Collet dies for years and wish they were offered in every chambering I load for!!! GHD Groundhog Devastation(GHD) | |||
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They are. Just send them a case and they'll make one for just about anything. I think a custom one is $25. | |||
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The Accurate Reloading Forums THE ACCURATE RELOADING.COM FORUMS Guns, Politics, Gunsmithing & Reloading Reloading Lee Collet Neck Sizing Die ?
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