- New Winchester brass
- #210 large rifle Federal primers
- 165 grain Nosler balistic tip bullets
- ~ 54.4 grains IMR 4350 powder.
My best 3 shot group was about 1 inch at 100 yards. Interestingly enough,
that same day I put 3 shots in one ragged hole with the ghetto-ass Remington
Core-Lokt stuff. Also, there were one or two shots where the bullet went
about six inches high, and unless I slipped at the last second and didn't
realize it, I know it was the round and not me, because I was on sand bags
and saw where the crosshairs were aimed at.
Anyway, I'm not all that impressed with the accuracy I'm getting with my
handloads. What could I change to make them more accurate, and why? More
powder, less powder, different powder? Heavier bullet? Which bullet brand
is generally the most accurate?
I'm new to this and trying to get it all figured out. Any help is
appreciated.
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I'm not an expert by any means, but one thing I have learned is to only change
ONE component at a time. I found (with my .300 win mag) that using large rifle
primers instead of magnum rifle primers gave me a better group. I was able to
develope a load that will shoot less than an inch at 200 yards from a
sandbagged rest. So keep trying different stuff, it may take a while, but
you'll get it.
Clyde
If you're getting some bullets in the same hole and some just about
anywhere, take a look at other things-
1. Is the rifle glass bedded (pillar bedded, etc.)
2. Do you have a cheap or old scope
3. Loose scope mount
4. Very heavy trigger pull
5. Flinch
Every rifle I've glass bedded and upgraded the scope on has shown
remarkable improvements in accuracy and consistancy.
A six-inches high flyer is a lot. To me that would indicate a failing
scope, mount, or loose bedding. Your load should be very good for
.30-06, I've used similar loads with good results. Even if it is not a
sub-MOA load for your particular rifle, it should be consistant and give
you groups without flyers.
Another cause of flyers is crooked loads, though these usually don't fly
6 inches out of the group. Sizing each case twice, rotating in between,
and seating the bullet 1/3 at a time, rotating it by 1/3 each time, and
then spinning it 180 degrees and confirming the seat, will increase
concentricity. You'll have to buy some kind of arrangement to actually
check concentricity, like an RCBS Case Master or some small machinist
V-Blocks and a dial indicator with magnetic base. The latter setup can
be had from places like KBC Tools for under $40!
Ken.
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# New Winchester brass
#- #210 large rifle Federal primers
#- 165 grain Nosler balistic tip bullets
#- ~ 54.4 grains IMR 4350 powder.
#
#My best 3 shot group was about 1 inch at 100 yards.
Pretty good start.
#Anyway, I'm not all that impressed with the accuracy I'm getting with my
#handloads. What could I change to make them more accurate, and why? More
#powder, less powder, different powder? Heavier bullet? Which bullet brand
#is generally the most accurate?
That's the whole purpose behind handloading. Tailoring a load to your
rifle. Try all the things you mentioned. If you are not happy with IMR 4350
try IMR4831 or IMR 4320. Try 150gr bullets. Find out how far out you can
load the bullets and keep them ~ .030" from touching the rifling. (This might
surprise you). Try neck sizing instead of full length sizing. Since you
started
with new brass you'll probably get better accuracy the second time around
when the brass is formed to *your* chamber. As soon as your fired brass is
neck sized, trim and de-burr it. Don't forget to clean the primer pockets.
If you're using a single stage press, you can set the full length sizing die to
neck size only. Screw the de-capping pin up out of the way. Put a nickel (coin)
on top of the shell holder. With the ram all the way up screw the die body down
untill it's touching the nickel. Then run the lock ring down and tighten the
set
screw. Then reset the de-capping pin. It's still a good idea to lube the brass
lightly.
Have fun.
Bill Van Houten (USA Ret)
"No matter how hard you try, you can't throw a potato chip very far."
"Linus"
"Ragnar Danneksjold" <rag...@adnmail.com> wrote in message
news:acin3q$651$1...@grapevine.wam.umd.edu...
> ...
Remington
> ...
brand
> ...
If the first powder doesn't show any promise, then I try another powder, but
4350 has done well for me in the 30-06 with 165 grain bullets. But if it
doesn't work for you, there are a lot of other choices. If you don't like
the idea of switching powders, then you can change bullets. Some rifles
just don't like particular bullets, but most rifles do like ballistic tips,
so I'd change the powder first.
I'm not sure which Rem 700 you have (ADL, BDL, mountain rifle, etc.), but
some of them have long throats (freebore), especially in 30-06 to accomodate
heavy bullets. The long action (and long magazine) on the Rem 700 in 30-06
will allow you to seat your bullets longer than the SAAMI spec for OAL, and
it can be conducive to accuracy to get as close to the lands (rifling) as
possible. In my 30-06 (Rem 700 ADL), the throat is so long that I can't
even reach the lands with 180 grain bullets, so I load them long for better
accuracy. When I loaded the Hornady 165 BTSP, the cannelure was 0.15" or so
ahead of the case neck. Likewise, my Nosler BT loads are almost always as
long as I can make them and still have enough of the bullet base in the neck
that they don't come apart. But you do need to make sure that by exceeding
the SAAMI OAL spec that you are not jamming the bullet into the rifling, as
this can cause high pressures.
Another thing to consider is the accuracy potential of the rifle. With a
unbedded, unfloated factory stock on an ADL, BDL, or mountain rifle, you'll
have to do some work to find a handload it really likes. I've also noticed
that with an unfloated barrel in a factory stock, how the forend of the
rifle is rested on the sandbag can greatly affect the accuracy. Either
using a bipod or being consistent in how the forend rests on the front bag
can solve the problem, but floating the barrel is the better choice because
it gives more consistency in the field.
Bedding the stock and floating the barrel make finding a consistent MOA load
much easier. Another route is to replace the factory stock with an HS
Precision stock with the aluminum bedding block. These stocks do not
contact the barrel and the bedding block produces consistent stock to action
contact. I've replaced two Rem 700 ADL stocks (30-06 and .308) with the HS
Precision Stock, and I am extremely satisfied. I had originally bedded the
original 30-06 stock and floated the barrel, but after several years the
bedding job wore down ad was no longer effective. This is the stock
Remington uses on their Rem 700 Sendero, VS, VSSF, and Police models, and it
is a large part of the greater accuracy of these models (along with a
shorter throat and bull barrel).
The Rem core lokt is an acceptable bullet if you don't need wind resistance
and you never plan to shoot anything past 200 yards. But it's BC is very
low (0.2 range) and it will move nearly twice as much as the BT of the same
weight in the wind.
Michael Courtney
: I'm pretty new to reloading, and would like to figure out a super accurate
: load for my Remington 700 .30-06. For starters, I loaded:
: - New Winchester brass
: - #210 large rifle Federal primers
: - 165 grain Nosler balistic tip bullets
: - ~ 54.4 grains IMR 4350 powder.
Some ideas: 168 grain bullets have the best characteristics. The shape
was determined using lead bullets, and making something that shape
in a jacketed bullet comes out 168 grains.
That being said, a box of 1967 Lake City Match ammo says it contains
173 grain bullets.
Whatever the right number might be, for match performance, one might
try current match bullets.
For that cartridge shape, the most potent primers you can get are the
thing to use, and which one that is is a matter for practical testing.
Barrels ring when subjected to the shock load of firing, and the idea
is to get the bullet to leave when the barrel is temporarily almost
stationary at the extreme of its excursion.
That box of match cartridges lists a muzzle velocity of 2640 fps, which is
the right speed for best repeatability of impact point for the barrel
length of a Garand rifle, which is probably the same as for the rifle you
have. Slower is sometimes better.
One does need to know how fast is fast, in order to do that.
If you want to drive tacks, either a chronometer or bigger
tacks would help.
--
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Ragnar Danneksjold wrote:
> ...
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#That being said, a box of 1967 Lake City Match ammo says it contains
#173 grain bullets.
That is because the GI 173 gr match bullet is a FMJ-boattail design.
Two different bullets. I have used load data for the 168, but with a
10% reduced charge worked up to something I liked.
#Whatever the right number might be, for match performance, one might
#try current match bullets.
You may want to take the twist rate of your barrel into consideration
when choosing bullets. A general rule is that longer bullets need a
faster twist to stableize them. Shorter bullets may no like faster
spinrates. (For the most part, longer=heavier unless you are talking
about special purpose bullets like tracers and AP rounds).
#For that cartridge shape, the most potent primers you can get are the
#thing to use, and which one that is is a matter for practical testing.
Um, why not just buy Sierra's rifle reloading manual, and use what they
list in the book?
/herb
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