WebJun 6, 2009 · 2,178 Posts. #7 · Jun 5, 2009. Other possible causes of keyholing, very unlikely in your case: The bullet is too small for the barrel and doesn't get spun up. Or, the bullet is so soft and the velocity so high that the rifling strips the bullet, I mean boolit and the boolit doesn't get spun up. WebOct 13, 2024 · The whole theory behind the die is that it resizes the loaded rounds to make sure they will function in any gun. The problem with this is the carbide ring at the base of the die also squeezes the bullet down inside the case making it smaller too. If you have thick brass it’s even worse.
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WebJan 10, 2024 · Actually the 5.45 S/W you referred to that was keyholing turned out to be a 556 bore chambered for 545, not bad ammo. The owner did remove the FH and inserted a 545 round nose first in the muzzle and it slid in to the case, tried a … WebAug 26, 2014 · Jun 16, 2010. 11,311. Harford Co. Just a feeler about keyholing. I was shooting my brand new Mossberg MVP Predator (5.56 w/threaded 18.5" medium bull barrel) yesterday. After I zeroed it in at 75 yrds ( I plan on stretching it out, just didn't have time), I noticed the shots were leaving oblong holes in the paper (keyholing). ihss 6955 foothill blvd oakland ca
New rifle is keyholing Trapshooters Forum
WebFeb 24, 2012 · Keyholing. I am pretty new in the game of casting and shooting lead bullets and therefore struggle a little bit. When shooting my handgun I get good accuracy (3” groups with a red dot sight at 50 yards) for the first 10 shots. Then the bullets start to keyhole and the accuracy goes bad (12” or worse). After I clean the barrel the same thing ... WebMay 26, 2010 · May 23, 2010. #13/25. Since the rifling imparts the spin to the bullet, I suppose it is possible that a badly fouled bore could cause keyholing. If the grooves in the bore become heavily fouled you will be firing, in essence, a smoothbore. The result is that the bullet will not be properly spun to stabilize it. WebAug 1, 2024 · The Chinese introduced a new 5.8 loading for their new rifle, DBP191 and a new barrel rifling system to match. They used to use a … is there a hop on hop off bus in budapest