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bullet seating depth

 
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  #1  
Old 02-19-2013, 12:48 PM
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Join Date: Feb 2013
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bullet seating depth

How critical is bullet seating depth for handgun reloading? I have some Remington Golden Sabers and reloading manuals do not provide data for this bullet. There is data for other same grain bullets but OAL is not the same as factory loads with this bullet. I have read that seating bullets deeper in rifle cartridges decreases both pressure and velocity, while the opposite is true for most handgun cartridges. I would like to see discussion on the effects of bullet seating depth and crimp.
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  #2  
Old 02-19-2013, 08:40 PM
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Location: saskatchewan canada
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Re: bullet seating depth

Quote:
Originally Posted by blindarcher View Post
How critical is bullet seating depth for handgun reloading? I have some Remington Golden Sabers and reloading manuals do not provide data for this bullet. There is data for other same grain bullets but OAL is not the same as factory loads with this bullet. I have read that seating bullets deeper in rifle cartridges decreases both pressure and velocity, while the opposite is true for most handgun cartridges. I would like to see discussion on the effects of bullet seating depth and crimp.
What type, need to be more specific,cal,gun type,barrel lenght,ect
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  #3  
Old 02-19-2013, 10:18 PM
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Join Date: Jan 2012
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Posts: 193
Re: bullet seating depth

Only pistol bullets I reload are for S&W .44 mag 629 6 1/2 inch barrel. I may have gotten lucky using Hornady 240 grain HP XTP. using H110 and seating to the middle of the crimp ring. They shoot a little under .5 at fifty yards. I dont crimp them and have not had a problem with them moving.
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  #4  
Old 02-20-2013, 07:45 AM
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Join Date: Dec 2010
Location: saskatchewan canada
Posts: 172
Re: bullet seating depth

I reload 9mm and 40 SW 231 Win.in each using a Lee progessive reloader,both are semi auto,handguns,The CX storm 9mm with 16 in. barrel will group 1 in. at 100yds with 4x scope. bullet lenght has to fit in the mag. I load with no crimp,but full lenght resize.
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  #5  
Old 02-20-2013, 10:05 PM
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Location: Lynchburg, TN
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Re: bullet seating depth

Quote:
Originally Posted by blindarcher View Post
....I have read that seating bullets deeper in rifle cartridges decreases both pressure and velocity...
I think you've got that backwards. Seating a rifle bullet out to a longer length allows more room in the case for the powder and ignition, lowering pressure, unless more powder is added to fill that space.

In pistols the shell length is limited by either magazine or cylinder length. Most pistol bullets have a cannelure grove that sets the seating depth and allows the bullet to be crimped to prevent recoil from causing the bullet to withdraw from the case and jamming the weapon.
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  #6  
Old 04-12-2014, 06:44 PM
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Join Date: Oct 2013
Posts: 4
Re: bullet seating depth

Actually the longer a bullet is seated out in a rifle, the more pressure is created since the bullet is seated closer to the lands, when the round fires the pressure is directed down barrel, when as with a shorter seating, the chamber throat allows for pressure to expand a bit...its kinda like saying it has no where else to go in one and somewhere else to go in the other. One actually sees less pressure in a shorter seated bullet...no so in a pistol however. Theres a good article on here about pressures. Do a search and it has some chart explanations.
I didnt see how old this post was sorry.

Last edited by fishinintx; 04-12-2014 at 06:45 PM. Reason: old topic
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