Using 308 Lapua brass and 175g Smk's what size neck bushing should be used. I dont have a round to measure to get the proper size so I thought you guys might be able to help.
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Neck bushing size
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Re: Neck bushing size
Or 336 it appears.
Welcome to the Hide (kind of, you registed 3 years ago), in the future try the search tool, I searched +lapua +bushing and got several hits.
http://www.snipershide.com/forum/ub...Words=+bushing++lapua&Search=true#Post1299299
Or 336 it appears.
Welcome to the Hide (kind of, you registed 3 years ago), in the future try the search tool, I searched +lapua +bushing and got several hits.
http://www.snipershide.com/forum/ub...Words=+bushing++lapua&Search=true#Post1299299
Re: Neck bushing size
335" and 336" work for me with Lapua brass. If your throat blows out (>.343") your necks, you might as well get a .340" bushing and an extra neck sizing die and neck size them in separate steps, like I do.
Chris
335" and 336" work for me with Lapua brass. If your throat blows out (>.343") your necks, you might as well get a .340" bushing and an extra neck sizing die and neck size them in separate steps, like I do.
Chris
Re: Neck bushing size
Bullet Dia + Neck thickness (x2) - desired neck tension (.001 - .006) usually.
This is where neck turning pays off big time! Constant wall thickness begets consistant neck tension. I use a automotive feeler gage to set my neck turner. This way I know that my neck thickness is .015 - .018 or there abouts. I try to just take enough brass off to even up all the necks.
My hornady brass that I am running right now is 0.015 necks with a .333 bushing giving me .004 of tension.
Terry
Bullet Dia + Neck thickness (x2) - desired neck tension (.001 - .006) usually.
This is where neck turning pays off big time! Constant wall thickness begets consistant neck tension. I use a automotive feeler gage to set my neck turner. This way I know that my neck thickness is .015 - .018 or there abouts. I try to just take enough brass off to even up all the necks.
My hornady brass that I am running right now is 0.015 necks with a .333 bushing giving me .004 of tension.
Terry
Re: Neck bushing size
I just went through this drill earlier today for my rifles.
For my .308s with Lapua brass I got .335 bushing size.
For my AR with cheap brass I got .332 bushing size (thinner necks on the cheaper brass and want more tension for the semi-auto).
I just went through this drill earlier today for my rifles.
For my .308s with Lapua brass I got .335 bushing size.
For my AR with cheap brass I got .332 bushing size (thinner necks on the cheaper brass and want more tension for the semi-auto).
Re: Neck bushing size
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: ChrisGarrett</div><div class="ubbcode-body">335" and 336" work for me with Lapua brass. If your throat blows out (>.343") your necks, you might as well get a .340" bushing and an extra neck sizing die and neck size them in separate steps, like I do.
Chris </div></div>
+1
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: ChrisGarrett</div><div class="ubbcode-body">335" and 336" work for me with Lapua brass. If your throat blows out (>.343") your necks, you might as well get a .340" bushing and an extra neck sizing die and neck size them in separate steps, like I do.
Chris </div></div>
+1
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