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Thread: .375 GSC VS 425 CEB at 2050 yards.

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  1. #1
    Terminator Products Kiwi Greg's Avatar
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    .375 GSC VS 425 CEB at 2050 yards.

    I finally got some GS Customs .375 414 SP projectiles to try out in the 375 DCM.
    On Saturday I loaded some up with RL50 & went to the range to try to match the speed to my CEB 425 load.
    The only one I fired went through the Oehler at 3170 fps a little faster than I wanted so I went back, pulled them, reloaded 6 more dropping the powder back by three grains & worked up.
    This was the group they shot at 100 yards, things looked promising & I got my target speed of approx 3140 fps
    It is 1/2 moa low & 1/4 moa left of the 100 yard zero for the CEB 425s.



    My goal was to shoot the GS Customs 414, Cutting Edge 425 & my custom tipped Cutting Edge 425s at extreme distance to compare the BCs

    I have been tipping the Cutting Edge projectiles for nearly a year now, it seems to hurt their BC a little but has no detrimental effect on accuracy & certainly makes them more aggressive on game.

    So you can see the size of these projectiles they are here are next to a .223.



    The barrel doesn't really like changing between the CEB & GSC bullets, it takes a while to settle down again.
    The change from CEB to GSC is less noticeable than the other way around.
    I HBN coat all the projectiles I fire except the GSC which appear to be Moly coated.
    This and the different projectile materials, combined with the residues left in the bore could be the cause ?

    A couple of things to note.

    Before I shot this video I had only shot the seven GSC projectiles & had no idea how they would go.
    I pay for all my own componets etc, no one gives me freebees, hand outs etc.
    The rock I used as the aiming point is approx 1/8 moa, less than 3" around, about the size of you fist, the ATACR reticle nicely covers it.
    I do this so I have a definitive point of aim, not some rock 4 moa across.
    The three projectiles have different POIs at 2050 yards which is to be expected.
    On the whole the groups sizes are very small & a testament to the projectile manufactures.

    Here is the video I shot on Sunday with Kokako, sorry it is so long I had a lot to fit in.

    375 Cheytac imp, 414 GS Customs VS 425 Cutting Edge projectiles - YouTube
    kokako, bully and Toby like this.
    Contact me for reloading components, brass, projectiles, powder, primers, etc

    http://terminatorproducts.co.nz/

    http://www.youtube.com/user/Terminat...?feature=guide

 

 

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