How many prefer crimping when reloading for the 6.5 Grendel in the AR platform?
Crimp or no crimp
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The never ending debate lol. I crimp AR rounds with the Lee fcd. Rounds were setting back in mag under recoil. I have not noticed any issues with accuracy and I did find that it actually lowered the es. I assume by evening out the neck tension. If you use bushing dies where you can control the neck tension prob not necessary.
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Hi. I'm NugginFutz and I am a Neck Crimper (retired).
With my RCBS and Hornady dies, I rarely (if ever) saw magazine setback, but the SD on my reloads was sometimes erratic. I went with the Lee FCD for my AR (5.56) as well as a couple of my bolt rifles. On all my loads, I started with a mild trim (1/4 turn). SD improved, so when I got my 6.5, I got an FCD for it without giving it a thought.
Fast forward to this year, when I had to finally satisfy my curiosity and bought a Redding Type-S sizing die. I did my maths and bought and the bushings to allow me to size either the Lapua or Hornady brass and maintain the correct neck tension.
Results? My SD's now continue to stay constantly low (single digits to low teens), and I have eliminated an extra pull of the press per round.
As for the rest of my rifles, I shoot them so seldom anymore because the 6.5's are getting all the love, so it makes little sense to buy additional dies at this time. If I were starting out fresh, and knew what I now know, I would skip straight to the bushing dies and be done with it.If it's true that we are here to help others, then what exactly are the others here for?
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I’m a crimperKnowing everthing isnt as important as knowing where to find it.
Mark Twain
http://www.65grendel.com/forum/showt...2-Yd-Whitetail
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