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Thread: D-Rig's 25 caliber swaged pellets

  1. #1
    Boolit Master

    Join Date
    Feb 2008
    Location
    Bozoland Mt.
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    1,346

    D-Rig's 25 caliber swaged pellets

    Last summer Dale sent me some pellets to test.
    My rifle is an unmodified Benjamin Marauder PCP, with Athlon, Talos BTR 4-14x44 scope mounted.
    When the pellets arrived, the air quality here was so bad due to forest fires, I was to much of a weenie to go outside, pump the rifle up and shoot it.
    For Christmas I got a air tank, and this weekend the temps were a relatively balmy mid 30s above zero, with about 6 inches of slushy wet snow to wade through, I did some shooting at 40 meters.Name:  20180107_160140 (1).jpg
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    This is a control group fired with store bought JSB EXACT KING 25.39 grain pellets.
    Chronograph results
    795 AV
    9.4 ES
    3.4sd
    1. 791.4 FPS
    2. 799.8
    3. 798.6
    4. 792.5
    5. 795.6
    6. 796.7
    7. 794.68.
    8. 790.5
    This string of eight was fired with starting pressure of 2700 psi.
    Last edited by clodhopper; 01-07-2018 at 08:15 PM.
    To lazy to chase arrows.
    Clodhopper

  2. #2
    Boolit Master

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    Click image for larger version. 

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    These two groups of eight were fired with a starting pressure of 2700 psi
    The pellets are D-Rig's 32.80 grain large hollow point flat base.
    The point of impact was about 3 mils lower than the 25 grain JSB pellets fired in the first group.

    First group,
    648 AV
    20.5 ES
    3.4 SD
    1. 657.6 FPS
    2. 662.6
    3. 663.2
    4. 667.9
    5. 670.5
    6. 672.1
    7. 675.1
    8. *lost the number

    second group
    684 AV
    20.5 ES
    6.9 SD
    1. 680.8
    2. 683.3
    3. 683.5
    4. 681.2
    5. 682.7
    6. 680.3
    7. 681.5
    8. 677.5
    Last edited by clodhopper; 01-07-2018 at 08:37 PM.
    To lazy to chase arrows.
    Clodhopper

  3. #3
    Boolit Master

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    Click image for larger version. 

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ID:	211327
    These are small hollow point with a skirt. Rifle was filled to 2700 psi before the first group was fired.
    They were easier to chamber than the flat base pellets, but still more difficult to chamber than the JSB's.
    First group
    673 AV
    14.1 ES
    5.4 SD
    1. 664.8 FPS
    2. 670.7
    3. 674.6
    4. 676.4
    5. 676.0
    6. 666.0 yikes!
    7. 677.4
    8.678.9

    second group
    677.3 AV
    4.7 ES
    3.0 SD
    1. 675.4 FPS
    2. 678.4
    3. 678.5
    4. 682,2
    5. 679.5
    6. 676.8
    7. 675.4
    8. 672.5

    At 40 meters the JSB pellets seem to shoot a little better than the swaged pellets. That might be because the swaged pellets have a very short bearing surface.
    The groups are good enough with both pellet designs.
    Next test will be at longer yardage, The diablo shape of the JSB pellets could make them slow much faster than the heavy swaged pellets.
    Paper will show which groups better.
    Last edited by clodhopper; 01-07-2018 at 09:53 PM.
    To lazy to chase arrows.
    Clodhopper

  4. #4
    Boolit Bub D-RIG's Avatar
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    Jun 2017
    Location
    San Diego , CA.
    Posts
    43
    Here is one of my better shooting rounds it's a 33 grain 2-S nose with a hollow base .
    This is at 50 yards with a Daystate Air Ranger , that is a 1" dot on a 8" shoot & see target .

    This is a pic of the 33 grain 2-S nose


    Here is the target at 50 yards

  5. #5
    Boolit Master

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    D-RIG's hollow base is what I described as skirted, My groups were fired off a wood bench, with Harris bipod, in failing light and rising breeze. Less than great bench rest equipment.
    To lazy to chase arrows.
    Clodhopper

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check