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I found a guy!

Somewhat related… you really need to run your numbers to ensure your supersonic at longest range. If you decide to shoot on electronic targets its a must!

Team, Bought a used, non correct/original, 1903 mark 1 w. new stock and good barrel. I intended to turn this into a 1903a1 sniper clone for CMP. I need a gunsmith who knows how to mount the scope blocks. CMP is NOT AN OPTION as they are way, way backed up. This "should" be a simple...

I have quite a few cmc triggers and thats how i would go.

The hardest part was getting old barrel off

After some difficulty getting the factory barrel off i was able to put on a new Brownells in 6 creedmoor along w a jp recoil eliminator This new 24” shoots quite well I selected a “standard load” load: 107smk, 42 h4350, russian primers in new hornady brass seated to mag length 5 shot groups...

Solid bullets like Barnes or M855A1 have a solid copper band driving area (Where the bullet is .224) which does not compress like the lead in a normal bullet will. As such the pressures of a given 55g traditional bullet vs a solid copper bullet are vastly different. Barnes uses a driving band...

If the cases are too long then you can get a small reduction in diameter at the case mouth and they need to be trimmed as already suggested. If they are new sized cases and you cant get a bullet in you will need to take a look at your dies; a sized case ID should be .224 - .001 to .003 for neck...

Make sure you reduce your loads, solid copper bullets will drive pressure up drastically and wear out barrels faster.

How does your rifle shoot? If your ES is good and your groups are good stick with what you have and go shoot. I see you are using FL bushing dies. If you are sizing brass that has been shot in several rifles it will not all size back down to the same point as the dimensions are all different...

Your going to need a chronograph. You need to be supersonic at 1000 yds and a little more to compensate for SD and ES. 20" is too short for an effective 1K .308 load, it will be marginal at best. I have observed far too many guys that are new to 1K shooting that have ammo and rifles that...

Yes, annealing does have something to do with controlling or regulating neck tension. It plays a small part in making sure all the brass springs back the same. In this case, there is a significant lack of neck tension as in the bullets are slipping in the case and annealing is not going to fix...

I suspect the reason that some brass works in that its thicker in the necks than the other brass is. Annealing has nothing to do with your neck tension/ sizing issue. Your sized brass should an internal diameter .001-.003 smaller then the diameter of the bullet. A small diameter = more neck...

a 4-6" drop tube will help quite a bit. Lee makes a set that works of for less then 10.00

I cant measure a case at the moment, but the smallest a case if going to be is when its a virgin case. I don't think you're going to get it smaller even with a SB die. Reference gas blow back; that only happens if your powder is too slow for your bullets like 4895 with 125g in a .308, your...

There are some FL dies that size down as much as a SB die will. The SB die will size the body of the case a little smaller, in theory, than a regular die will. If you are using range pick up or MG brass a SB die is not a bad idea to make sure everything gets down to spec. You can control how...

For what its worth: When I moved into my first apartment I converted the closet in the spare bedroom into my reloading room. I built a table with a back and a solid piece on the bottom with sides and a back. I made it just wide enough to go across the back of the closet and be able to get it...

I suggest that if you are loading 300 BO for a 9" AAC upper and shooting sub-sonic, then your engagement ranges will be limited to 200 yds or so. Sure, you can spend more money on nice dies but I should think that a standard set of 300 BO dies will work just fine considering the short far case...

You will need 300 BO dies to reload. I am sure you can find match dies but I don't think they will help all that much.

Years ago the conventional logic was that a 1-13" was optimal for a 155 SMK (2155). Apparently several tests were done and the 1-13 produced the best results. With a more appropriate twist the bullet is more likely to "nose over" and the result is a slightly increased BC as well as less wear...