Optimal charge weight test
WebMar 5, 2024 · The idea behind this method, referred to as the OCW or Optimal Charge Weight Test, is that you do not need access to a long range or a spotting scope. You shoot out to 100 yards and you group the same charged bullet together. So, you shoot three rounds with 26.0 grains of powder and check their grouping. Then shoot three rounds with 25.8 … WebDec 31, 2024 · It’s likey a direct correlation , what that does not mean is that a specific velocity means you found your optimum charge weight . Depending on the powder burn rate you could have the same velocity with 2 different powders with very different barrel times resulting in differet POI , so although velocity is important it’s not all that matters .
Optimal charge weight test
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WebMar 24, 2024 · The increments at which the test weights for the OCW is shot will change depending on the amount of powder used. I know from doing many in the 35-45 grain max charge weights that the increment is 0.3 grains. WebFeb 6, 2024 · A chronograph can be helpful here as sometimes you should stop even though signs of pressure aren't evident. I just use one shot for each charge weight. Throw a …
WebOct 19, 2012 · 7mm Rem Mag Load Development Part 3: Optimal Charge Weight Cal October 19, 2012Ammo & Handloading, Load Development5 WebApr 21, 2024 · Likewise, attempting to find an optimal seating depth if the charge weight/velocity of your load is off from where it will actually end up by 50 to 75 fps (or more) may also be of limited value. ... Target below is a starting charge weight test with varget and berger 105 hybrids jammed 0.010. Starting load 29gr to 30.2 gr. Hard to pick a winner.
WebAug 29, 2024 · 24. Points. 8. FURMAN said: We are not looking for group size during an optimal charge weight test. We’re looking for point of impact changes. You’re gonna have to help us out with where you were aiming so we can see the point of impact from group to group. These are the new pictures with the POA being correct. WebMay 14, 2024 · Charge weigh seems to achieve a minimum group size at roughly 44.6 grains. More or less powder increases group size. All but one of these groups are big enough that I would call them unacceptable for this rifle. It's a high end rifle built on a Barnard action with a Bartlein barrel. Groups just under 1 MOA are disappointing.
WebJun 3, 2024 · Load Development: Ladder Test Method. June 3, 2024 by AJ 5 Comments. As mentioned previously, there are three main methods to use to develop a load for your rifle, …
WebMar 16, 2024 · The Sniper's Hide App is here! Download the app DOWNLOAD population weston super mareWebOct 19, 2012 · You simply identify a range of powder weights you want to try, fire a 3 shot group of each powder charge, then identify the groups that come closest to hitting the same point of impact (POI) on the target. sharon heronWebJun 27, 2024 · To determine the volumetric weight for air freight and then calculate chargeable weight, we must calculate the cargo volume in cubic meters. The box is … population whatcom county washingtonWebFeb 12, 2024 · Charge weight first, one load at each charge weight, progressively plus .3 to .5 grains each load. Looking only at velocity and pressure signs. When I find a charge weight that will deliver an appropriate for caliber velocity at a safe pressure, use it. Could call it an Audette's ladder but reading those nodes is like reading tea leaves and don't seem to be … population westport ctWebDec 7, 2014 · Dec 5, 2014. #1. Like most of you, I optimize my loads using the OCW method which involves optimizing the charge weight first, looking for a node where the average POI does not change significantly before adjusting seating depth to tighten the group. Was reading the Berger manual today and read the following interesting comment “ In ... sharon hethertonWebMay 18, 2024 · Working up a new load can be a bit daunting, but I really like the theory and practical performance of this style of load development. Let me know if you hav... sharon hess floristWebOct 11, 2016 · Oct 10, 2016. #4. The answer is probably "No". No powder on the planet is completely resistant to temperature-induced changes in burn rate, although some are … population whitby ontario