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Feb 7th, 2025
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 Do you crimp your AR loads?
#1530475
07/14/10 01:12 PM
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Joined: Nov 2008
Posts: 1,109
dsniper
OP
Pro Tracker
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OP
Pro Tracker
Joined: Nov 2008
Posts: 1,109 |
I have been reading on this and I have found mixed responses. Anyone tried both with different results?
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Re: Do you crimp your AR loads?
[Re: dsniper]
#1530730
07/14/10 03:06 PM
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Joined: Oct 2009
Posts: 83
brentc
Outdoorsman
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Outdoorsman
Joined: Oct 2009
Posts: 83 |
I crimp my AR loads with Lee factory crimp die. It works well whether the bullet has a cannelure or not. I feel that the crimping helps to increase consistency and reduce runout when running rounds through the progressive press.
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Re: Do you crimp your AR loads?
[Re: brentc]
#1532464
07/15/10 05:25 AM
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Joined: Apr 2010
Posts: 4,991
Varget 7-08
Extreme Tracker
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Extreme Tracker
Joined: Apr 2010
Posts: 4,991 |
I'd like to hear some opinions on this too, some swear by it while others swear its useless.
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Re: Do you crimp your AR loads?
[Re: Varget 7-08]
#1532533
07/15/10 11:52 AM
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Joined: May 2010
Posts: 3,061
RLoving1
Veteran Tracker
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Veteran Tracker
Joined: May 2010
Posts: 3,061 |
Brayden (Lazy L's Southern Comfort) you will be missed! You were more than a pet you were my reason to rise and return for many days! You were my rock!
12/26/03-10/25/13
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Re: Do you crimp your AR loads?
[Re: Varget 7-08]
#1532534
07/15/10 11:54 AM
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Joined: Feb 2009
Posts: 5,045
missingAK
THF Trophy Hunter
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THF Trophy Hunter
Joined: Feb 2009
Posts: 5,045 |
Only ftf out of my AR has been on uncrimped rounds. I crimp them all with a lee factory crimp die. doesn't take long as an extra step. 9$ is cheap insurance and it doesn't take that long to do. Never had a problem since. To each his own I guess.
"Men occasionally stumble over the truth, but most of them pick themselves up and hurry off as if nothing happened." Winston Churchill
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Re: Do you crimp your AR loads?
[Re: missingAK]
#1532630
07/15/10 01:21 PM
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Joined: Sep 2006
Posts: 1,092
elkhunter7x6
Pro Tracker
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Pro Tracker
Joined: Sep 2006
Posts: 1,092 |
This is my first year with an AR but I do not crimp. After 1500 rounds I have yet to see a problem. I am plenty satisfied with my custom 204 shooting .2 groups with my present reloading techniques.
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Re: Do you crimp your AR loads?
[Re: elkhunter7x6]
#1532670
07/15/10 01:42 PM
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Joined: Feb 2009
Posts: 5,045
missingAK
THF Trophy Hunter
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THF Trophy Hunter
Joined: Feb 2009
Posts: 5,045 |
6-700 rnds uncrimped through mine until I had one that pushed back into the case. Had a few more after that. Started crimping and never had the problem again. Not a big deal at the range or shooting Pdogs or whatnot; but who knows when you are gonna really need that round that ftf's. using new brass everytime may make this less likely, but that's not really reloading.
"Men occasionally stumble over the truth, but most of them pick themselves up and hurry off as if nothing happened." Winston Churchill
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Re: Do you crimp your AR loads?
[Re: missingAK]
#1538164
07/18/10 05:00 PM
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Joined: Feb 2009
Posts: 2,856
30378
Veteran Tracker
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Veteran Tracker
Joined: Feb 2009
Posts: 2,856 |
I have shot ARs for over 25 years and NO, I do not crimp anything I put in them. If you are properly resizing your brass there is no need. Crimping is military application. Finding crimped ammo for ARs on the firing line of National Match competition is non existent.
NRA Benefactor Life Member - Free men should not be subjected to permits, paperwork and taxation in order to carry a firearm.
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Re: Do you crimp your AR loads?
[Re: 30378]
#1538170
07/18/10 05:04 PM
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Joined: Nov 2007
Posts: 13,735
helomech
THF Celebrity
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THF Celebrity
Joined: Nov 2007
Posts: 13,735 |
I crimp mine, see no reason not too. Got 5 stations on my press so I just a soon crimp. Never had any issues crimping.
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Re: Do you crimp your AR loads?
[Re: helomech]
#1539156
07/19/10 02:44 AM
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Joined: Jan 2009
Posts: 1,590
cory_cooper
Pro Tracker
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Pro Tracker
Joined: Jan 2009
Posts: 1,590 |
I crimp all of mine, but then again you wont find me on the firing line of the national match competition either. MOA is pleny good for me and thats what Ive been getting
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Re: Do you crimp your AR loads?
[Re: cory_cooper]
#1551792
07/25/10 12:41 AM
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Joined: Nov 2008
Posts: 1,109
dsniper
OP
Pro Tracker
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OP
Pro Tracker
Joined: Nov 2008
Posts: 1,109 |
Thanks for all the replies. I guess I will pick up a Lee crimp die and give it a try.
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Re: Do you crimp your AR loads?
[Re: dsniper]
#1595233
08/13/10 07:33 PM
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Joined: Nov 2007
Posts: 624
ASIC777
Tracker
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Tracker
Joined: Nov 2007
Posts: 624 |
Recently picked up some bulk once fired brass, one round had the bullet pushed into the case and an unfired primer. I've seen this before on non-crimped loads. I use the Lee collet crimp and add just a touch of crimp on the cannelure if it has one.
BTW, the first time I found one the hard way, it cost me a new stem in my FL sizing die. By the time you feel something is not right the decap pin has already broken off from riding down the ogive of the bullet inside the case. I inspect all brass more carefully now.
Lifetime NRA Member
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Re: Do you crimp your AR loads?
[Re: ASIC777]
#1596823
08/14/10 05:00 PM
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Joined: Sep 2009
Posts: 4,793
ccoker
Extreme Tracker
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Extreme Tracker
Joined: Sep 2009
Posts: 4,793 |
I used to for the 6.8
after doing some testing I no longer do
no issues
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