Out of three Grendel AR chambers, two M1A's, and I don't remember exactly how many 5.56 AR's over the years, I have never needed a "small base" sizing die. I use Forster, Redding, and RCBS.
Grendel small base dies?
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I had a custom built Grendel by a very well known company that after resizing Alexander factory rounds with a RCBS sizing die would not chamber. the case body was not reduced enough. tight chamber. after discussion with the builder I sent him a fired case and he had another sizing die chromed to reduce the case body to chamber. not happy about that , but just another step in reloading. resized round work fine. Chas
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Mark,
Very unlikely you will need an SB die unless the person chambering your rifle deliberately made it tighter than SAAMI. SB's were popular for auto loaders back in the 80's/90's but the shooting community figured out normal FL work fine with a little more bump than bolt guns.
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Originally posted by coastguardchas View PostI had a custom built Grendel by a very well known company that after resizing Alexander factory rounds with a RCBS sizing die would not chamber. the case body was not reduced enough. tight chamber. after discussion with the builder I sent him a fired case and he had another sizing die chromed to reduce the case body to chamber. not happy about that , but just another step in reloading. resized round work fine. Chas
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