Mull

My best load using 69 grain Sierra Matchkings out of a 16", 1-7 twist barrel is: 25.6 grains of Varget, CCI 450 primers OAL is 2.250". Brass is Remington 223. I just got a Dillon 650 which doesn't meter Varget the best, so I'm in search of a new load.

I use it on a 650 on a seperate tool head for 223/5.56. 1. Put dirty cases in tumbler. 2. Lube cases and put in automatic case feeder. 3. Station 1: Old lee die adjusted to do nothing but deprime. Even the rod is machined down so it does not neck size. Station 3: : Dillon trim die and trimmer. The 1200B does chamfer the outside. 4. Put brass in tumbler to get lube off. There is not much of a inside burr after this. 5. Station 1 of loading tool head is a neck size only die. Brass processed with almost no effort on my part.

I enjoy reloading but don't like to shoot. I just go to the range to see how well I reloaded.

This is just the info I wanted. Thanks!

In .223 I'm loading for my 16" AR with a non-magnifying EOTech sight. It's accurate, but no benchrest gun. If I had the perfect cartridges that would put every bullet in the same hole, I wouldn't shoot remarkably better with it. I, personally, can't aim the EOTech sight MOA at 100 yards. But it does what I want it to. So when you trim with the 1200B, the burr looks just like what you have with a standard trimmer?

I currently do all my loading on a single stage Lyman Crusher. After processing my brass (tumble, resize, deprime, remove lube, trim, chamfer, debur, hand prime), the loading goes fairly fast. For .223 Remington I put the powder directly into the case using a Lyman 55 powder measure then place the case into the press and seat a bullet. I am considering getting a progressive, but it all kind of hinges on if it is necessary to chamfer and debur the case if I used a 1200B case trimmer. My, as I see it now, process if I get a progressive would be: 1. Tumble. (Not much effort on my part.) 2. Lube. (Not much effort on my part.) 3. Resize, deprime, trim using 1200B and trim die. (Done with a pull of the handle. Easy) 4. Prime. (Done with the same pull of the handle from step 3. Easy) 5. Powder charge. (Done with the same pull of the handle from step 3. Easy) 6. Seat bullet and eject loaded cartridge from press. (I place the bullet above the case. Easy.) 7. Remove lube via short time in tumbler. (Not much effort on my part.) If I could follow the above procedure then reloading would be easy and very fast. So, is it necessary to chamfer and debur after the case goes through the 1200B?