Recently I went from touching the lands to backing off .030" from the lands with my favorite .223 Rem thin-jacketed bullets because of possible pressure signs. Accuracy was still acceptable, but SD doubled to 46 and group size increased accordingly. Seems to me I read somewhere that small...
A couple weeks ago I got hammered by fellow members for seating on the lands with my favorite bullets so I skeptically went along, seating out .030" for this morning's shoot. Well I'll be... darned if they don't shoot better! Just a word of thanks to members for advice on this issue.
Equipment...
I would like to know if anyone else has had a bullet slow down when the powder charge is increased. This really blew my mind when I saw the figures.
Equipment: .223 bolt action Rem 700, Nosler cases, CCI#400 primers, Nosler 55 grain ballistic tip bullets and Varget propellant.
I tested ten...
Continued trials and failures have convinced me that I'm definitely not going to be able to use Varget in my .223 bolt rifle for 64 grain Berger varmint bullets. This morning I loaded up a conservative 24.4 grains and right away I ended up with a pierced primer and a mushroomed case that had to...
Okay guys I've got a question that has been vexing me for some time, and I wonder if anyone can explain it satisfactorily (explaining anything satisfactorily on this website is a tall order and that's EXACTLY why I'm throwing this question out there). It has to do with powder speed and bullet...
Frankly I'm astonished at the pressure and velocity I get with a barrel that's just 6" over the 24" test barrel used for .223 data, with the same 12" twist. With 55 grainers I can make use of the slowest powder, but not 64's without piercing a primer. Is useful data for target-length barrels...
I've gotten a lot of good reloading advice from this site, especially from the senior members who are quick to point out that a shooter's technique is more important than minor adjustments. Nevertheless I seem to have made a breakthrough with larger groups, and I wonder if I can get any members...
Have a question regarding bullet concentricity and twist rate: Like most guys when I look through the scope and I'm holding steady on the bull I see no reason why the bullets don't land where I'm pointing them, even if it's some distance away. But this past weekend I had a group arranged in an...
I read an interesting article by Stan Trzoniec in Rifle's Varmint magazine last week about the .225 Winchester. Just looking at the .225 it seems like the entire case and rim would be supported by the chamber, with a shallow cutout for the rim in the back. If this is true, this would virtually...
I wonder if I might please get some feedback from anyone else who has practical experience with polygonal rifling in a long gun: this barrel I'm using seems to be much less forgiving now that it's broken in. My reloads are showing pressure signs just as soon as they are even slightly past...
It may just be my imagination but lately the Chrony seems to be telling me that my 12" twist .223 prefers a velocity of around 3220 fps or so, irrespective of bullet weight. It first became noticeable with 64 grain Bergers but now that I'm looking even the 55's have been dropping hints.
3220...
I use a lot of ball powder and there are times when I simply have no choice but to use a reduced load, and I'd like to use some kind of wadding to hold the charge in place to prevent shifting and asymmetry, and to hold the charge against the primer. I've searched some of the old threads for...
Performance at the range decidedly worse today when I tried a cradle-style bench rest with detachable butt stop (think lead sled). Tightest 5-shot group at 400 was 2 1/2", but the other four groups were all over the map. From what I could tell without the benefit of the chrony, differences in...
My e-scale did not come with an a/c power supply and I seem to be going through a lot of 9 volt batteries because the scale takes so long to truly stabilize. It would seem a simple matter of contacting the manufacturer to order an a/c power supply, but I have a feeling it's not quite that...
I've had good success at the range with a .223 1:12" bolt rifle using 55gr Nosler Ballistic tip bullets but now that the barrel is pretty well glazed I'm considering the lubalox version as a long term strategy for keeping friction low. Anyone have experience with lubalox? Do I need a special...
Some months ago there was a THR thread discussing stacked powder loads, i.e. stacking of different powders on top of each other within a case. Although we all pretty much agreed that this was not something that we'd be likely to attempt ourselves, there was nevertheless in interesting discussion...
Question for you long-gunners using varmint bullets: do you ever use hotter charges for your fouling shots? The reason I ask is that it seems to be harder to lay down good fouling as my barrel breaks in. I'm toying with the idea of a progressively lighter charges for each string to keep SD low...
The x-mark pro trigger on my Rem 700 ADL Varmint doesn't seem to adjust well anymore. I've reduced trigger pull a couple of times and each time it seems to revert to a hard pull after several dozen rounds or so. Breaks cleanly, just requires a lot of pressure. I've used Rem action cleaner, dried...
Something's not right here: with 30" bbl I'm getting surprisingly good performance with 55 gr thin-jacketed bullets using H4350! Still shaking my head over this. Can anyone else corroborate? Cast bullet shooters, maybe? Thx
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