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Discussion Starter #1
I bought an AR-15 and am in the market for dies. I just want some opinions on whether to by small base dies or just the regular full length dies. How many loads can I expect out of brass when sizing with small base dies as opposed to full length and is it necessary to use a small base die?
 

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The Hog Whisperer (Administrator)
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You won't know till you try it. There are tolerances in dies, chambers, and even your reloading equipment so unless the manufacturer has specifically told you that you have a very tight or match chamber, odds are you won't need small base dies at all.

I would try to resize some brass that was fired in your rifle (from factory loads) with a standard die first. Let us know how it goes......
 

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I bought two just before the big bang, a S&W M&P15 and a Bushmaster. The M&P15 will chamber almost anything you feed it. I've never had a problem with any reloads from the standard die set. The Bushmaster happen to be one of those you read about with a tight chamber and it required a RCBS small base (SB) FL die to get reloads to chamber reliably in it. Some will say you should always us a SB die in any semi but I don't. The SB is going to shorting case life because it over works the brass. I loaded up a few hundred bullets for the Bushmaster and put it away, I don't shoot it anymore.
 
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