168 grain Sierra Matchkings, and IMR 4064

H

hooligan1

New member
I'm wanting to load an accurate paper puncher for my Remington 700, 30-06 1-10" twisted 24" barrel.
The rifle has a bedded recoil lug, and old style 700 trigger that breaks beautifully at 2.5 pounds. A Vortex Viper HST VMR1 reticle, 4-16 x44.
I want to develope an accurate, consistant load featuring those two components to shoot at 300-500 yds for just fun.
 
Cool, sounds like you picked a good powder and bullet for your goal. I have burned a few pounds of 4064 behind Berger and Hornady 168's. 4064 works great for me in .308 win. Keep us posted on your progress.
 
I load that same bullet and powder to shoot up to 600yds with the M1 for CMP Service Rifle XTC matches, great combination in my book and you should be able to find what you're looking for.
 
What contour is the barrel? If its a sporter your going to have limited consistency. '06 sporter barrels heat up fast and you will start to encounter erratic stray shots.
 
The .30-06 has more case volume and a lower pressure limit than .308, so the more bulky 4064 is really better for it. A lot of high power shooters use right around 48 grains in 10" twist service rifle barrels. It's a middling load. The Hodgon data is in the right ballpark, though if you use military or Remington or other cases with less capacity than Winchester, figure to knock about half a grain off each end of Hodgdon's range to get similar pressures. Working between 46.5 and 49.5 grains is likely to find you a sweet spot. 33 rounds, 3 of each in 0.3 grain charge increments covering that range will shoot an OCW round robin.
 
She shoots btips and accubonds very consistant one after another in the sporter barrel road clam, never really get that dude hot..I dont shoot that fast with that rifle.
 
I'm shooting a Sierra 168 gr HPBT over IMR 4064 40.5 gr. in a Rem 700 308cal. very accurate combo. load is on the low side, the ranges on LI NY are max. 200 yards, My average group is .5 at 200 yard zero. Barrel is a heavy contour M24 5R 11.27 twist 20" barrel. Your 06 I would start off at the starting load & work up .05 gr. increase, mid range on the load scale will be your sweet spot, without beating up your brass or rifle. Be Safe, sounds like you have yourself a nice rifle.
 
Just follow your manual and you'll be fine. Likely be around 47 grains of IMR4064. Operative words are 'likely' and 'around'. Work up the load.
 
In the days when the '06 was "the match rifle cartridge," all charges of IMR4064 shot well under 1/2 MOA through 300 yards at 44 to 48 grains. The same rifles would shoot that bullet into 5/6 MOA at 600 yards with 48 grains. That's as good as the 30-06 ever did in proper accuracy tests.
 
T Oheir, I need a sierra manual, but can't remember it when shopping.
So I started with load #1 168 grain Matchking, 46.5 grains IMR 4064 with CCI250 lrmp, in Winchester brass. Load #2 168 grain Matchking, 46.5 grains IMR 4064 with CCI 250 lrmp, in Remington brass. Sunday will be my first oppurtunity to test these two.
 
1stmar, did you load different brass to check any precision differences while working on your load?
I got plenty of time, so I want to test magnum primers as well as non-magnum primers in different brass.
And I'm starting all my first test with 3.341 COAL for now, seeing what that will do.
 
One of the arsenals loading .30-06 M72 match ammo learned IMR4064 gave better accuracy than IMR4895 with their 172-gr. FMJBT match bullet. But charges had to be hand weighed to a 1/10th grain average spread because it had about a 4/10ths to 5/10ths grain average spread in the high speed metering cavities on their production line. IMR4895 metered much better with a 3/10ths grain average spread. Which is why the arsenal match ammo had IMR4895.
 
You must log in or register to reply here.
Back
Top