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Joined: Sep 2016
Posts: 1,313
Campfire Regular
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Campfire Regular
Joined: Sep 2016
Posts: 1,313 |
I won't work up loads without one anymore. There has been a few times lately that maximum book velocity came before maximum book load. This is a key point. Short of having a strain gauge, the single best thing you can do to insure your loads are within max pressure is to a) only use load data that includes pressure (for common bottleneck cartridges and powders this can be from Quick Load) and b) load to the listed velocity, not the listed charge weight The relationship between pressure, velocity and energy is fairly simple (energy is the integral of the pressure curve * bullet cross section taken over the barrel length). Velocity is by far the easiest of the three to measure directly with modern equipment. The relationship between those 3 and charge weight is quite variable and heavily influenced by factors like chamber dimensions, primer brisance and powder lot variations that most reloaders have no visibility into.
Last edited by Llama_Bob; 06/22/17.
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Entire Thread
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Chrono, Yes or No
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Dave_Skinner
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06/20/17
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Re: Chrono, Yes or No
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NVhntr
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06/21/17
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Re: Chrono, Yes or No
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JSTUART
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06/21/17
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Re: Chrono, Yes or No
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jwall
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06/21/17
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Re: Chrono, Yes or No
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bowmanh
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06/21/17
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Re: Chrono, Yes or No
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bangeye
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06/21/17
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Re: Chrono, Yes or No
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GuyM
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06/21/17
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Re: Chrono, Yes or No
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Talus_in_Arizona
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06/21/17
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Re: Chrono, Yes or No
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montanabadger
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06/21/17
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Re: Chrono, Yes or No
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Llama_Bob
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06/22/17
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Re: Chrono, Yes or No
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mathman
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06/22/17
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Re: Chrono, Yes or No
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Llama_Bob
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06/22/17
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Re: Chrono, Yes or No
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JMR40
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06/21/17
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Re: Chrono, Yes or No
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ClarkEMyers
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06/21/17
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Re: Chrono, Yes or No
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rost495
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06/21/17
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Re: Chrono, Yes or No
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Dave_Skinner
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06/21/17
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Re: Chrono, Yes or No
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jwall
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06/21/17
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Re: Chrono, Yes or No
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jwall
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07/01/17
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Re: Chrono, Yes or No
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fish head
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07/01/17
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Re: Chrono, Yes or No
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1minute
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06/21/17
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Re: Chrono, Yes or No
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fish head
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06/21/17
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Re: Chrono, Yes or No
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bangeye
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06/21/17
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Re: Chrono, Yes or No
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BufordBoone
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06/21/17
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Re: Chrono, Yes or No
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VarmintGuy
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06/21/17
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Reloder28
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06/21/17
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Re: Chrono, Yes or No
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k22hornet
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06/21/17
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Re: Chrono, Yes or No
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rost495
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06/21/17
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Re: Chrono, Yes or No
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bangeye
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06/21/17
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Re: Chrono, Yes or No
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k22hornet
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06/22/17
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Re: Chrono, Yes or No
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jwall
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06/23/17
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Re: Chrono, Yes or No
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k22hornet
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06/23/17
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Re: Chrono, Yes or No
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jwall
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06/23/17
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Re: Chrono, Yes or No
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Vic_in_Va
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06/21/17
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Crow hunter
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06/21/17
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Re: Chrono, Yes or No
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EdM
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06/21/17
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colodog
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06/22/17
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mudhen
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06/22/17
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JGRaider
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06/22/17
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Re: Chrono, Yes or No
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Mule Deer
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06/22/17
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Re: Chrono, Yes or No
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Steve Redgwell
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06/22/17
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Re: Chrono, Yes or No
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Reloder28
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06/22/17
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jwall
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06/22/17
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Re: Chrono, Yes or No
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Mule Deer
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06/22/17
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Dave_Skinner
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06/22/17
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Re: Chrono, Yes or No
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gnoahhh
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06/22/17
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Re: Chrono, Yes or No
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Steve Redgwell
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06/22/17
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Re: Chrono, Yes or No
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Jim in Idaho
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06/22/17
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jwall
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06/22/17
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jwall
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07/01/17
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JTPinTX
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06/22/17
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jwall
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06/22/17
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jwall
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07/01/17
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Re: Chrono, Yes or No
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JTPinTX
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06/22/17
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Re: Chrono, Yes or No
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jwall
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06/23/17
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Re: Chrono, Yes or No
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cra1948
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06/22/17
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EdM
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06/23/17
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BufordBoone
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06/24/17
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Re: Chrono, Yes or No
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jwall
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06/24/17
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smokepole
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06/24/17
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Re: Chrono, Yes or No
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Matt in Virginia
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06/25/17
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Re: Chrono, Yes or No
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AussieGunWriter
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06/26/17
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Re: Chrono, Yes or No
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Steve Redgwell
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06/26/17
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Re: Chrono, Yes or No
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jwall
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06/26/17
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Re: Chrono, Yes or No
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kk alaska
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06/26/17
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Re: Chrono, Yes or No
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Steve Redgwell
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06/26/17
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Re: Chrono, Yes or No
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Steve Redgwell
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06/26/17
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Re: Chrono, Yes or No
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smokepole
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06/26/17
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Pharmseller
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06/29/17
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Castle_Rock
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06/29/17
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Re: Chrono, Yes or No
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Steve Redgwell
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06/27/17
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Re: Chrono, Yes or No
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Steve Redgwell
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06/29/17
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Re: Chrono, Yes or No
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smokepole
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06/29/17
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barm
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06/29/17
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Bbear
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06/29/17
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ttpoz
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06/29/17
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2525
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06/30/17
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smokepole
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07/01/17
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CCCC
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07/01/17
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Axtell
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07/02/17
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Dave_Skinner
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07/02/17
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CZ550
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07/09/17
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Re: Chrono, Yes or No
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rainierrifleco
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07/22/17
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jwall
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07/22/17
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Re: Chrono, Yes or No
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Steve Redgwell
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07/22/17
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Re: Chrono, Yes or No
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Crow hunter
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07/22/17
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Re: Chrono, Yes or No
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Steve Redgwell
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07/22/17
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Re: Chrono, Yes or No
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rainierrifleco
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07/22/17
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