Turns out it was the same phenomenon we discussed years ago with Al about the first shot being much slower due to the cold steel soaking up energy. This Arkansas cop was having trouble with his gun and our ammo. We just had another customer ask about subsonic use, etc. Interesting reading from EBR site, direct copy paste: I sort the cases by weight and use a satoriuos scale for my sub loads so it keeps the SD fairly tight.Īnd those ejection port covers are almost as sweet as the movie they reference. The ES was 34 FPS or 3.2% and the SD was right at 1062+-22 FPS or 2.1%. I refered to the seating depth only in regards to filled case capacity and not to powder position sensitivity. Thanks - that makes alot of sence in regards to starting high and working down - I feel that i understand this properly now thank you What do your ES and SD look like? Are your rounds really powder position sensitive?Īnd those ejection port covers are almost as sweet as the movie they reference. Rounds get stuck when they are going 500fps or less and most factory loaded round are pushing 900fps+.Īnd I don't know how I feel about barely 70% case capacity. If anything the longer barrel will just increase velocity making them faster. Factory loaded sub loads will be fine regardless of barrel length or suppressor used. I personally know of cases where guys stuck projectiles working subsonic loads by the way they sounded. The proper way to work up sub loads is to start fast and work down to a slower speed. Projectiles get stuck when guys are working up loads and start way too slow. Originally Posted By: BachelorJackIntrepid4576
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