RCBS 223 REMINGTON (5.56mm) SML BASE SIZER DIE
Product Information
Sizes the base of the case slightly smaller than the full length sizer to ensure proper functioning in automatic, semi-automatic, pump, slide and some lever action rifles.
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Read 1 Reviews - Average Rating: 5 stars
Great die for tight AR-15 chamber
By Timothy K. on Dec 28, 2020
If you have an AR-15 that you occasionally have to use the bolt assist to get rounds to fully chamber after resizing then this is the die you need. I used to have to use the forward assist at least once every couple of mags using max sizing on my standard die. After using this die for a couple thousand rounds that issue is completely resolved. Now every case feeds perfectly. I wouldn't use this die for a bolt action because it will overwork the brass for that application but it's perfect for a semi-auto that doesn't have an oversized chamber.
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