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The process of adjusting the barrels so that the bullet leaves each barrel at the same point in space is known as “regulation” and a rifle that has been successfully adjusted in this way is said to be “regulated”. Regulation must be distinguished from sighting-in. Regulation is the process leading to both barrels shooting to…

What about Recoil? I decided to look more closely at the movement of the barrels. This was something I had never needed to consider with a bolt-action rifle.   The burning propellant produces a large quantity of gas. The gas exerts a force in three directions – radially, forward and backward. The radial force acts…

I have always wondered how you get the two barrels of a double rifle to shoot to the same point of impact. Usually, a quick Internet search gives the answer to any question, but not this one. I found pieces of the answer in various places, so decided to bring them together in one place…

The reloading manuals all tell you not to do it, tumbling loaded ammunition. The reason is pretty clear – the vibration could cause the powder grains to break, or damage the coating, both of which would increase the burn rate and so result in higher (and unpredictable) pressures. Obvious really, and so I never have.…

People’s attitude to cleaning rifles ranges from a mania bordering on religious zealotry to a casual wipe-over with an oily rag. Whatever your approach, most of us have accumulated useful bits and pieces over the years. And that includes bore guides, to keep the rod and brush moving along the bore axis and avoiding chamber…

With the turrets sorted out on the Zeiss scope with custom labels, it was time to turn to using the scope to its full potential. The manual (courtesy of Steve’s Pages) says the scope should be fitted “with an inclination of approx. 25 angular minutes”. I only had about 13 mils of adjustment in the scope…

I have been shooting in the European F-Class Championship for a while now. You can read a full report of the 2016 competition here. My first experience of F-Class shooting was at the Europeans. I found myself shooting with competitors from all over Europe, with people from Ukraine in the East to Spain in the West, from Ireland in…

With the new scope wraps, I was now ready for anything. The European F-Class competition at Bisley (more on that later) was fast approaching so it was time to give the upgraded scope a try. Old Sergeants Mess had a 1,000 yard target available, which was the perfect opportunity to try the new easy-read turrets.…

First, the story. I bought a Zeiss 6-24×56 Diavari scope years ago. So long ago, I do not even remember where I bought it, but it was certainly before I knew all that much about scopes. It has wonderful glass, as you might expect, and when I started F-Class shooting a few years ago it seemed…

Here is an interesting puzzle. A reader sent me these photographs of an big-bore action he found at an auction:  (click to enlarge)  (click to enlarge)  (click to enlarge) There are no markings on it to provide any clues. The 90 degree bolt throw and the straight bolt handle suggests a military action, not intended…