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Crazy stupid question on my part. Basically, what is the difference between 5 groups of 5 rounds each and one 25 round group? I feel ridiculous for asking, but I just don't know. There's articles on 50, 100, 250, or even simulated 1000 round groups, but what is the difference between them and...

Of the brass I collected at the range today, ten pieces had "LC 223 REM" headstamps. I tried searching online for the headstamp, but only got results for regular Lake City brass. Anyone know what this is? Only asking out of curiosity, ten pieces of brass isn't a big deal. Did almost throw me...

In case anyone gets similar brass - Among the range brass I've picked up, I have 83 pieces of MKE NATO 5.56 brass - mostly '17. The primers were crimped and had a green sealant. After decapping, tumbling, sizing, reaming, and trimming - I pulled 30 out to trash while priming, because 7 of them...

Reading a little about obt, harmonics, finite element analysis, etc, there seems to be an idea that a specific velocity for a particular length produces the best accuracy. Since muzzle velocity changes with barrel length, even with the cartridge parameters remaining the same - when (or does) an...

If I wanted to use the same mags, lower and bolt with a second upper with a different barrel, what are the most viable options? Of course there's 300 BLK, which seems to have leapfrogged all others. But what stacks up well for supersonic loads for distance shooting? There's so dang much, 25-45...

Would be for a lady in her mid-60s with arthritic hands. She can't shoot as much as she used to (down to about 50 rounds a trip from a couple hundred per day some years back), and she's out of rounds for her favorite Smith revolver, outside of the 30 or so 158 monarchs I dug out of my closet...

For .223, I... decap, on press wet tumble, off press size, on press trim, ream, chamfer, debur, off press prime, on press powder charge, off press seat bullet, on press I've considered going to a progressive of some sort for 9mm, but would it be applicable for .223 as well with the steps I'm...

Federal and Lake City seem to be the most common brass brands in my range pickups. But there's a variety in the headstamps of each. Do I need to further segregate by those differences? Like some federal has 223 Remington on the rim, some has the letters very close or others very spaced out, some...

Only bottleneck cartridge I load for, and done very little of it (under 100 rds). Only other calibers I load are 9mm and 357. Loading everything with Lee single stage breechlock challenger, Lee dies (2 die set with FCD bought separately) 55 gr RMR FMJ-BT with cannelure 26.4 gr TAC (within the...

Has anyone used the load from the old IMR handloader's guide for smokeless powders - max of 17 gr of 4227 behind a 55 gr Hornady jacketed bullet, Remington 7 1/2 primer, 2.260" oal, start at 10% lower charge weight? It was also published in Lee's Modern Reloading. The velocity was given as 2810...

90 degree day, sunny Shooting chrony beta CZ75B (4.7") Berry's 124 gr HBRN Mixed brass Win Spp 1.135" oal First, Win white box NATO 124 gr, two shots: 1466, 1471 5 shot results: 6.3 gr power pistol Avg 1236 SD 23.9 ES 73 5.5 gr longshot Avg 1454 SD 5.7 ES 18 Short leade on the CZ precludes...

3" SP101 20" Rossi M92 HP-38 Power Pistol 2400 158 gr Zero JHP So far, I have only loaded these rounds with 2400 - since 357 is the only thing I can load with 2400, and I intend it to be the primary 357 powder. (only thing else I load is 9mm) I use a Lee FCD with the 2400 loads. What...

I'm trying to wrap my head around the statement I've seen in several places that 'mid-range' loads tend to be more accurate. What does this mean? Is it powder specific? Does it apply to only certain burn rates? Has it got something to do with what the max pressure is? Are some cartridges...

I have a Lee perfect powder measure and beam scale which came with the breech lock challenger kit. I am loading for 357 and 9mm and have 3 powders - HP38, Power Pistol, and 2400. Bullet weights are almost entirely 125/.355 and 158/.357. With this combo, what would be a good way to approach...

I loaded my first rounds yesterday, and before I take them to the range, I would like to check on what I should do about overall length. At 1.125, my Zero 125 JHPs are hitting the lands. These are loaded with 4.4 gr of HP38, so what I would like to know is can I seat the rounds deeper, or does...

Searching old threads online, I saw one that mentioned Academy was selling 9 for 3.86 a box back in 2005. I can't remember exactly what I was paying, since I had a long stretch of not shooting. If reloading cost what it does now back then, I would think only competitive shooters would have...

Because of marketing, timing, contractual agreement, financial support, advertising, legislation, etc, some cartridges have done much better than others, and it probably hasn't always been the ones with the best ballistic performance. Do you think the current most popular choices in handgun and...

There seems to be a fair amount of criticism about doing this. I can see questioning why the round was not chambered, though this happens with other platforms and is based on individual choice and circumstance. I don't quite follow the admonishments of not wanting to let the possible bad guy(s)...

What kind of terminal differences could be expected here? Identical caliber, identical bullets (say Gold Dots, HSTs, any modern JHP) identical firearm. If the 124 is going 1200 fps and the 147 is going 1000, then at the muzzle the 124 has 396 KE, the 147 has 326 KE, but both have the same...

I am finding it difficult to get under 21 cents a round for 9mm, and more than 50% higher than that for 357, including buying steel cased. I am considering reloading because of this, and have read some stuff online. This has answered some questions, and also created others. Instead of trying to...