Post by picklehead on Dec 26, 2018 23:34:10 GMT -5
Good practice in my world is to fire a round and wait a few minutes with the bolt open and stood up. Chimney effect as a person on here put it to me. The pipe cools faster and think I taught him a trick to. Don't set the rifle up or down, with any sunshine hitting it. We all know dark absorbs heat and cool down time takes forever.
Never put a round in the chamber after a shot or two and let it set there. The brass absorbs heat and transfers to the powder. I don't care if the powder is temp stable,,, DONT DO IT. Ive seen people to shoot a few times and put a round in the chamber for the next shot and they put the rifle in safe / stood it up and no harm to others at all. Then they wondered why groups was going crazy. Damn heat transfer, kicked their butt and didn't even know it. There is so many things that people look over and scratch their head about, when groups go nuts. Most is simple operator error and they run back to the drawing board. I learn every day and bust out laughing at the simple mistakes I make. Hell, I still make some of them over and over. We will never be the best and so many simple things can be overlooked,, even though we know better.
It truly boils down to what you are after. A rifle that will put a cold bore shot and a follow up shot in about the same POI,,, is what you want for hunting. A five or ten shot string is BS in my mind and 35 years of hunting,, I never seen a deer that would stand still and let you shoot until it died. All I can say is its best to find a repeatable load that holds a decent group with no more than three shots, back to back, all day, every day ,,,, FOR HUNTING and a 40 degree temp swing. Ive seen many two week rifle season here to be 16 degree one morning and 60 degree evenings a few days later or 45 in the morning.
POI changed some if testing too. You will never see this to a point,, at 20 to 150 yards and dead deer. You will see it at 300 and I'm a firm believer that things slowly changes a lot,, after 200 yards. Heck, I know it does and spent the last 18 years shooting 220 to 387 yards at my range and buddies range. This wasn't done every so often or once a year. Once or three times a week on weather permitting days.
I will burn a barrel to the ground in certain things and had some damn good ones over the years. Heat will destroy a fine barrel in no time if ran back to back. Load rounds that are so hot that the bolt gets sticky on opening,,, and the pipe will last longer if shot in moderate periods of cool down time and cleaning. Powder is very abrasive to the throats of rifles on ignition. This is something that people don't understand and you want a very even and stable pressure build in nano seconds when the trig is touched. You want an even pressure though out the beginning and exit of the barrel. Hot loads with the correct powder, barrel time and pressure is better than loads that just foul stuff up and eat away metal, in comparison to each other. Both is BAD for barrels and best to find in between.
Never put a round in the chamber after a shot or two and let it set there. The brass absorbs heat and transfers to the powder. I don't care if the powder is temp stable,,, DONT DO IT. Ive seen people to shoot a few times and put a round in the chamber for the next shot and they put the rifle in safe / stood it up and no harm to others at all. Then they wondered why groups was going crazy. Damn heat transfer, kicked their butt and didn't even know it. There is so many things that people look over and scratch their head about, when groups go nuts. Most is simple operator error and they run back to the drawing board. I learn every day and bust out laughing at the simple mistakes I make. Hell, I still make some of them over and over. We will never be the best and so many simple things can be overlooked,, even though we know better.
It truly boils down to what you are after. A rifle that will put a cold bore shot and a follow up shot in about the same POI,,, is what you want for hunting. A five or ten shot string is BS in my mind and 35 years of hunting,, I never seen a deer that would stand still and let you shoot until it died. All I can say is its best to find a repeatable load that holds a decent group with no more than three shots, back to back, all day, every day ,,,, FOR HUNTING and a 40 degree temp swing. Ive seen many two week rifle season here to be 16 degree one morning and 60 degree evenings a few days later or 45 in the morning.
POI changed some if testing too. You will never see this to a point,, at 20 to 150 yards and dead deer. You will see it at 300 and I'm a firm believer that things slowly changes a lot,, after 200 yards. Heck, I know it does and spent the last 18 years shooting 220 to 387 yards at my range and buddies range. This wasn't done every so often or once a year. Once or three times a week on weather permitting days.
I will burn a barrel to the ground in certain things and had some damn good ones over the years. Heat will destroy a fine barrel in no time if ran back to back. Load rounds that are so hot that the bolt gets sticky on opening,,, and the pipe will last longer if shot in moderate periods of cool down time and cleaning. Powder is very abrasive to the throats of rifles on ignition. This is something that people don't understand and you want a very even and stable pressure build in nano seconds when the trig is touched. You want an even pressure though out the beginning and exit of the barrel. Hot loads with the correct powder, barrel time and pressure is better than loads that just foul stuff up and eat away metal, in comparison to each other. Both is BAD for barrels and best to find in between.