Author Topic: Underwood 115gr Lehigh Defense Xtreme Defender provided by Intercooler 11/2017  (Read 152 times)

The_Shadow

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Cartridge is from Ammo Manufacture: Underwood 115gr Lehigh Defense Xtreme Defender (100% solid copper) (provided by Intercooler 11/2017)
Ballistics Information: 10mm Auto
Muzzle Velocity: 1700 fps
Muzzle Energy: 738 ft. lbs
Brass Make/Headstamp: Underwood - Nickel
Bullet Make/Weight/Construction/Info; Length 0.6250”/Dia. 0.3995” / 0.4000”: 115gr XD
Actual weigh 115.2 / 115.4 grains  Crimp Diameter 0.3995” 
4 power bands / 3 grooves 0.3600”
MEPLAT  0.2240” (wide cross)  (inner cross) 0.1150” / concaved base 0.1225”
C.O.A.L.: 1.2570” / 1.2660”
Primer: Large Pistol primer Nickel color
Case: Diameter 0.4215” Crimp Diameter 0.4225” / 0.4225” (Light Crimp)Length 0.9875”
Powder Description/Positive ID/Type/Charge Weight: Ramshot Silhouette  12.2 / 12.4 grains











The "10mm" I'm Packin', Has The Bullets Wackin', Smakin' & The Slide is Rackin' & Jackin'!
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Blaserboy

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Hi Shadow,
Thank you for posting this data - exactly what I was searching for.
One question : Has this been verified with a load of Ramshot S. in the charge weights shown?
Thank you, Tom

The_Shadow

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Although it has not be verified Silhouette was seen in other loadings like Crossfire Grenade 125 grain Frangible HP (Black Oxide)
I need to get some Silhouette powder to run some testing.  BTW, Silhouette is the same as Winchester Action Pistol (WAP) use to be...Western Powder picked up the Ramshot line that included Silhouette.



Tom if you get some testing please let us see your results.   :D
« Last Edit: December 04, 2017, 10:09:33 AM by The_Shadow »
The "10mm" I'm Packin', Has The Bullets Wackin', Smakin' & The Slide is Rackin' & Jackin'!
NRA Life Member
Southeast, LoUiSiAna