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Winchester AUTOCOMP

by Patrick Sweeney   |  September 24th, 2010 3

Winchester introduces new competition pistol powder.


Chris Hodgdon, Public Relations Manager for Winchester Smokeless Propellant, announced today a new powder for the discriminating competition pistol shooter – AUTOCOMP. This exceptional propellant is ideally suited for delivering optimum pistol compensator performance.

“AUTOCOMP was developed specifically for the calibers .38 Super, 9mm, .45 ACP and .40 S&W. It’s the perfect burning speed to boost compensator effectiveness with a higher volume of gas. With AUTOCOMP competitors get off faster shots with better accuracy; it’s a winner.”

Other characteristics of AUTOCOMP:

  • Clean burning for efficient shot after shot function
  • Low charge weights for economic loading-13.4% more reloads per pound than Power Pistol
  • Flawless metering through progressive loading machines

One- and eight- pound containers will be available at Winchester dealers Spring 2009. AUTOCOMP data is now on-line in the Winchester Powder Reloading Data Center. For more information call 913-362-9455 or write to: 6231 Robinson, Shawnee Mission, KS 66202.

  • Reddogg

    Wondering Why they don,t have somewhere on the web to check for Auto Pistol load data if it,s supposed to be so superior for auto loads. I bought some but I guess I need a Brand New Data Book as my 3 year old books don,t (can,t) have any data for it the Ph# is nice but aint worth a $hit on the weekends Just my 2 cents worth!!!

    • tracy

      I agree

  • guest

    Tough to read when posted here. So go to the source http://data.hodgdon.com/cartridge_load.asp

    Bullet Weight (Gr.) Manufacturer Powder Bullet Diam. C.O.L. Grs. Vel. (ft/s) Pressure Grs. Vel. (ft/s) Pressure
    90 GR. SPR GDHP Winchester AutoComp .355" 1.010" 6.1 1255 27,700 PSI 6.5 1332 32,100 PSI
    95 GR. SIE FMJ Winchester AutoComp .355" 1.010" 5.6 1216 27,300 PSI 6.1 1306 32,600 PSI
    115 GR. LRN Winchester AutoComp .356" 1.100" 4.4 1002 24,800 PSI 5.1 1145 31,500 PSI
    115 GR. SPR GDHP Winchester AutoComp .355" 1.125" 5.1 1078 28,200 PSI 5.6 1161 32,500 PSI
    125 GR. LCN Winchester AutoComp .356" 1.125" 4.3 1012 26,700 PSI 4.8 1101 32,800 PSI
    125 GR. SIE FMJ Winchester AutoComp .355" 1.090" 4.7 1055 28,900 PSI 5.2 1120 33,300 PSI
    130 GR. BERB RN Winchester AutoComp .356" 1.150" 4.8 990 27,500 PSI 5.3 1093 33,500 PSI
    147 GR. HDY XTP Winchester AutoComp .355" 1.100" 3.6 827 27,900 PSI 4.0 916 32,800 PSI

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