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Old 01-22-2017, 05:25 PM
Mikeinkaty Mikeinkaty is offline
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300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp.  
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Default 300 Blackout - factory crimp or taper crimp.

With a smooth 208 grain FMJ Hornady bullet with no cannelure should one use a light factory crimp or a taper crimp? Lee does not appear to have a taper crimp for 300 Blackout. Their die set comes with a factory crimp. Redding does at something close to $40. But will the Redding taper crimp die fit the Lee quick change bushings?
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Old 01-22-2017, 06:27 PM
LAA LAA is offline
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300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp.  
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I use the Lee factory crimp for 30 cal. .308 bullets with, without a cannelure, or the fact that some cannelures won't be at the crimp when using the bullets for 300 Blackout.

Note: I've only used Hornady 110's, 130's, & 150 g.

Last edited by LAA; 01-22-2017 at 06:28 PM.
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Old 01-23-2017, 07:39 PM
Wee Hooker Wee Hooker is offline
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300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp.  
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I also use the Lee factory Crimp die on all my 300 AAC Blackout loads. I crimp lightly, and am not convinced the crimp is better. I just mainly use this die to assure uniformity of the finished round.
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Old 01-23-2017, 08:20 PM
LAA LAA is offline
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300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp.  
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Quote:
Originally Posted by Wee Hooker View Post
I also use the Lee factory Crimp die on all my 300 AAC Blackout loads. I crimp lightly, and am not convinced the crimp is better. I just mainly use this die to assure uniformity of the finished round.
Same reasons here. Just a light crimp.
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Old 01-23-2017, 09:10 PM
Mikeinkaty Mikeinkaty is offline
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300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp.  
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Learned something new yesterday. The rifle crimp in the Lee kits is different from the factory crimp in the 4 die sets for pistols. The rifle crimp uses a collet. I did not know that!!
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Old 01-25-2017, 03:34 AM
Thyratron Thyratron is offline
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300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp. 300 Blackout - factory crimp or taper crimp.  
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I have a RCBS taper crimp seating die for one of my 300BLK setups but I keep the crimp backed off and only seat with that die. All my semiauto rifle die setups use the Lee FCD.

Edit: If you're using the new Hornady ELD 208g bullets, they're different from the Amax. I use the Lee 300BLK seating die with a Lee .223 seating plug so it doesn't bugger up the point.

Last edited by Thyratron; 01-25-2017 at 03:45 AM. Reason: More
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