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300 Win Mag Loads- Browning BAR

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Unread 04-11-2012, 06:40 AM
Silver Member
Join Date: Nov 2008
Location: ND
Posts: 152
300 Win Mag Loads- Browning BAR

Need some starting load data for a 300 WM shooting 180 ABs out of a BAR. I am trying to get the gun set up for 4-500 yrds. Any starting info for this gun would be appreciated.

Defiance Rebel 338 Norma Mag 24" Benchmark Barrel
Manners T4 stock
G7 NF NXS 5.5-22X50MM

Savage LA 7SAUM 20" Benchmark Barrel
Manners T4
308 Varminter 2.0 Suppressor
Sightron SIII 6.5-24X50MM LRMOA

Remington 700 SA 22-243 Win
26" SS Benchmark Barrel 1-8 Twist
Grey Bull Precision Stock
Built by Hazer@Bison Barrels in Gillette,WY
Sightron SIII 6.5-24X50MM LRMOA

Tikka T3 Lite 270 WSM
Greybull Precision Scope
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  •   #2  
    Unread 11-05-2012, 10:21 PM
    Gold Member
    Join Date: Feb 2010
    Location: North Pole
    Posts: 603
    Re: 300 Win Mag Loads- Browning BAR

    Like most BAR's the

    IMR 4350 is the correct burn rate for the BAR's in most of cal offerings.

    In my 1974 BAR in 300 Win Mag I use

    IMR 4350 @ 72.0 and 180 gr AB or Nosler Protected Point with WW Brass and WLRM.

    I use Hornady reloading dies so far I have not had to use RCBS Small base sizer die. If you expercience ejecting problems or bolt closing u might need small base sizer die.

    Next i repaced my recoil spring with a Wolff power spring which helped with ejecting.

    And cleaning the piston i use a 20 ga brush and bore solvent at least once a year.

    Any Questions feel free to shoot me a PM
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