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Lead-free AMMO: when solutions beget problems.(AMMO)
Several years ago there was a flurry of questions when someone saw that some Winchester .45 ACP brass had a flash hole much larger than normal. We quickly learned that those cases were from their new non-toxic primers, which contained no lead or other heavy metals such as barium and antimony. A check with Winchester and some independent tests showed that the larger flash hole was not a cause for concern. There was no difference in pressure or velocity when the same load was fired in cases with the large flash hole compared to an older case with the normal hole.
Then, not too long ago, I got a call from a friend who had picked up a bunch of pretty new Federal .45 ACP brass at the range. When he started to load it, however, things came to an abrupt halt when he couldn't seat a primer. It was then that he noticed that the case had a small primer pocket. That's when my phone rang.
Federal's response was the brass must be from their non-toxic BallistiClean line. Yes indeed, the case had the letters "NT" in the headstamp. Federal reported they switched to a small…
- Flash hole deburring tools.(SPOTLIGHT)
- Magazine article from: American Handgunner March 1, 2008 700+ words
...that can cause erratic ignition and velocities are often left inside a case's flash hole. Redding now manufactures two different tools for the removal of flash hole burrs. The Universal tool is for .22 cal .338 cal cases that hove .080...
- Redding Reloading flash hole deburring tools.(New products)
- Magazine article from: Shooting Industry February 1, 2008 700+ words
Redding offers two tools for the removal of flash hole burrs. The Universal tool is for .22 to .338 cases that have .080" flash holes. The tool controls the cutting depth with...
- Benchrest loading techniques: Handloading Editor Petty offers a quick overview...
- Magazine article from: Guns Magazine Petty, Charles E. April 1, 2002 700+ words
...true up the primer pocket, deburr the flash hole, and turn the case neck. Neck turning...process. Some makers also punch the flash hole at the same time, while others do that...primer that is many times larger than the flash hole. So if we have to squeeze the fire down...
- Stuff reloaders do "it can't hurt" but does it help?(Handloader)
- Magazine article from: Guns Magazine Petty, Charles E. December 1, 2004 700+ words
...pops a jet of flame goes through the flash hole and starts the powder burning. Of course...actually covering direct access to the flash hole. The force finds the path of least resistance...pocket and finally finds its way out the flash hole. Of course all this takes place in ...
- Tighten up: simple handloading tips to shrink those groups. (Rifles &...
- Magazine article from: Petersen's Hunting Jamison, Rick February 1, 2003 700+ words
...worthwhile item for the smallest groups is a flash hole uniformer. This tool removes the burr around...best groups, it is worthwhile to use a flash hole uniformer to remove burrs around the flash hole inside the case. It takes only a twist...
- A Flash In The Hole.(Brief Article)
- Magazine article from: American Handgunner PETTY, CHARLES E. January 1, 2000 700+ words
...readers have asked about the size of the flash hole in some new Winchester cases -- it...ammo in question features their new lead-free primer. The initiator in standard...styphnate-based primers and the enlarged flash hole is an accommodation. The flash hole...
- Steps to Great Handloads.
- Magazine article from: Petersen's Hunting ZWOLL, WAYNE VAN September 1, 2001 700+ words
...in a tumbler before you start culling. 2 Check flash-hole diameter. Most centerfire rifle flash holes are...periodic trimming may be required. 4 Deburr the flash hole with a flash hole deburring tool inserted from the case mouth. A...
- Brass from non toxic ammo.(Handloading: sage advice from the handloading guru)
- Magazine article from: American Handgunner Petty, Charles E. November 1, 2003 700+ words
...commonly known as Dinol to replace lead styphnate as the initiator. It behaves...Winchester started using a much larger flash hole in .45 ACP brass with lead-free primers. Testing showed the larger flash hole had no detrimental effect and the...
- Precision handloading for the hunt of a lifetime: The finest hunting ammunition...
- Magazine article from: Guns Magazine Bodinson, Holt April 1, 2002 700+ words
...that burr ensures that the primer flame passing through the flash hole is evenly distributed to the powder charge. Uniform ignition...variances is minimized. I recommend the universal caliber flash hole reamers marketed by Sinclair and Hart rather than incurring...
- Shop tips; proper use of chambering reamers. (column)
- Magazine article from: Shooting Industry Schumaker, William August 1, 1990 700+ words
...cartridge cases that have been uniformed by outside neck turning, primer pocket depth and flash hole reaming for uniformity, plus inside flash-hole deburring and neck length trimming. The BR (bench rest) boys say polished chambers promote...
Source: HighBeam Research, Lead-free AMMO: when solutions beget problems.(AMMO)
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