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#740521 - 08/10/07 03:40 PM AR Bullet seating
Lungbuster Offline
Die Hard Member II

Registered: 12/07/04
Posts: 1170
Loc: Idaho
I am reloading for my AR for the frist time. When working up a load I ussually start with .010 off of the rifling. When I did this for my AR I checked the first one and it wont fit in the magazine. In order to fit my magazine I have to seat .110 off of the lans.
Has this been a problem for any of you guys that reload for your AR's? Do you worry about bullet depth or not?
I'm using Lapua brass, Benchmark powder and 55 gr V-max's to start...
Also crimp or not?
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#740522 - 08/10/07 03:47 PM Re: AR Bullet seating [Re: Lungbuster]
NM Leon Offline
Retired PM Staff

Registered: 02/05/05
Posts: 10335
Loc: AZ, NM, TX
Perfectly normal, just load to the max your magazine will allow (2.25 for most guys). No crimp needed, though some guys do anyway.
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#740523 - 08/10/07 04:00 PM Re: AR Bullet seating [Re: NM Leon]
Wingman26 Offline
Die Hard Member

Registered: 12/10/06
Posts: 802
Loc: Shawnee Oklahoma
I just load them to fit in the magazine.
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#740524 - 08/10/07 05:29 PM Re: AR Bullet seating [Re: Wingman26]
OldTurtle Offline
Moderator

Registered: 12/20/05
Posts: 19624
Loc: East Central FL
I even load some of mine shorter than the magazine... Some of the reloading manuals (Sierra for one) indicate down to 2.20"

Some of my most accurate loads are at 2.24" +/-.

If I were shooting the longer, heavier bullets, to be loaded single stage, I would probably get concerned about the seating depth.
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#740525 - 08/10/07 08:56 PM Re: AR Bullet seating [Re: OldTurtle]
SodakJim Offline
Die Hard Member II

Registered: 02/14/07
Posts: 1658
Loc: Gettysburg, South Dakota
My 20 rd. magazines allow 2.260 overall length and that's what I load nearly all to. That is for bullets from 40-70 grains. You should not need to crimp in most cases.
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#740526 - 08/11/07 12:11 PM Re: AR Bullet seating [Re: SodakJim]
Lungbuster Offline
Die Hard Member II

Registered: 12/07/04
Posts: 1170
Loc: Idaho
Thanks..
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Then there came from hunting, the weather-eyed shooter.

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