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Posted: 2/27/2007 6:06:34 PM EST
[Last Edit: 2/27/2007 6:07:20 PM EST by too_many_hobbies]
I was talking to Hornady today regarding their Chamber-All and Headspace Guage for an AR-15 in 300-221 Fireball. What is the maximum cartridge OAL for an AR-15 magazine? Does it vary by manufacturer?
Link Posted: 2/28/2007 8:19:42 AM EST
I reload my 69 grain and 75 grain to 2.260". This fits in my Colt, Cproducts, CMGI. That's about as long as will fit.
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