I have seen noticeable improvements from deburring flash holes. Bordering on significant improvements.
I do it to everything I load.
I have seen noticeable improvements from deburring flash holes. Bordering on significant improvements.
I do it to everything I load.
When dealing with islam one should always ask themselves: "What would Leonidas do?"
I started deburring my primer pockets in the case with a #1 starter drill turned down and welded to a small rod to fit in the case mouth way back in 1970 when I shot more and went for precision at distance. Now I use a Sinclair de-burr tool (not sure they still make it) for my case prep work, I threaded the shaft to screw onto my RCBS case prep center machine. The RCBS tool is better than nothing but you can`t be sure the de-burr tool tip is in the flash hole by its design.Robert
It will not turn a 4MOA rifle into a 3MOA rifle, but it can help a rifle that is capable of sub MOA, I've seen it.
When dealing with islam one should always ask themselves: "What would Leonidas do?"
Last range trip seems to verify that. Dropped the powder load a little and groups with the .308 at 100 yards shrunk to 1 1/2". That's significantly better. Have to go back and load up several more same cases loaded same way to see if that is typical. Need to check SD for more five shot groups with these. Due to suggestion or question from here, cases were segregated according to weight. Also discovered that my cases were all close to needing to be trimmed and trimmed them all. More uniformity.
The range trip was one of my best ever. With some of the cases that had the primer pocket uniformed and were trimmed but no flash hole deburr I had a 1" inch group with four of them going into one hole smaller than 1/2", I believe it was the weighing and other things besides the deburring that did this so will do from now on.
Thanks guys.
While I work at it, it is by God's grace that it happens. So it is best I ask him what, how and when before I start..
BP | Bronze Point | IMR | Improved Military Rifle | PTD | Pointed |
BR | Bench Rest | M | Magnum | RN | Round Nose |
BT | Boat Tail | PL | Power-Lokt | SP | Soft Point |
C | Compressed Charge | PR | Primer | SPCL | Soft Point "Core-Lokt" |
HP | Hollow Point | PSPCL | Pointed Soft Point "Core Lokt" | C.O.L. | Cartridge Overall Length |
PSP | Pointed Soft Point | Spz | Spitzer Point | SBT | Spitzer Boat Tail |
LRN | Lead Round Nose | LWC | Lead Wad Cutter | LSWC | Lead Semi Wad Cutter |
GC | Gas Check |