Print Page - Underwood 220gr Cast WFN 1230 fps Pull-Down

Title: Underwood 220gr Cast WFN 1230 fps Pull-Down
Post by: The_Shadow on December 04 2013 07:50:13 PM MST

Cartridge is from Ammo Manufacture: Underwood 220gr Cast WFN
Ballistics Information: 10mm Auto
Muzzle Velocity: 1237 fps
Muzzle Energy: 747 ft. lbs
Brass Make/Headstamp: Underwood - Brass
Bullet Make/Weight/Construction/Info; Length 0.7290"/Dia. 0.4010": 220gr Cast WFN
Actual weigh 216.4 grains Crimp Diameter 0.4010"
Meplat 0.2810"
C.O.A.L.: 1.2660"
Primer: Nickel color
Case: Diameter 0.4215" Crimp Diameter 0.4215" (Light Crimp)Length 0.9880"
Powder Description/Positive ID/Type/Charge Weight: LongShot 8.4 grains

(https://s20.postimg.cc/r8tmc8xul/IMG_0448_zps9f8fe57e.jpg)

(https://s20.postimg.cc/t0ml75ox9/IMG_0449_zpsba89c7cd.jpg)

(https://s20.postimg.cc/4wvtive65/IMG_0450_zpsb86f366a.jpg)

(https://s20.postimg.cc/pts1njjwt/IMG_0451_zps8a9ffa5e.jpg)

Title: Re: Underwood 220gr Cast WFN 1230 fps Pull-Down
Post by: Intercooler on December 05 2013 03:46:46 AM MST

LongShot....Hmmm

Title: Re: Underwood 220gr Cast WFN 1230 fps Pull-Down
Post by: mag360 on December 05 2013 06:08:14 PM MST

Thanks for the pull down. I want underwood to load the 200gr wngc beartooths that doubletap uses to 1275!! Huge meplat.

Title: Re: Underwood 220gr Cast WFN 1230 fps Pull-Down
Post by: The_Shadow on December 05 2013 06:34:11 PM MST

Any one loading this round may want to read the info at this link http://10mm-firearms.com/factory-10mm-ammo/underwood-220gr-hardcast-(new-load)/ (http://10mm-firearms.com/factory-10mm-ammo/underwood-220gr-hardcast-(new-load)/)
Intercooler had experienced a "SMILE" from this loading. See results in the linked info.

10mm-Auto

10mm Ammuntion => Factory 10mm Ammo pull-downs => Topic started by: The_Shadow on December 04 2013 07:50:13 PM MST