1/17/2024 0 Comments Subsonic bullet speed 38Hornady 200gr eld-x bad started tumbling immediatelyĨ. Sierra 165gr btsp bad started tumbling immediatelyħ. Hornady 150gr btsp 1096fps- worked very wellĤ. Rifle, Remington 700 varmint 22" barrel 1-12 twist. So here are the results that I came up with. All bullet loads started with 9.0grs of trailboss just for a starting point. I finally had some decent weather to go out and try some bullets, I originally only had three different kinds to test from but I scored a good deal from another member on here for some others. You can get the crack at a lower muzzle speed with the round an flat vs the semi. If you use a flat nose the pressure wave is different than a round nose, an both are totally different than my semi pointed. My max at the muzzle is 1090 an lower max is 1010. That said I have 2 loads one for a very low DA and one for a normal higher DA. Depending where you shoot the most your DA an SOS will dictate where your max muzzle vol needs to be. I do not have a dedicated sub gun as I have sub loads, for every stick I own from. I went to my cast bullet load (Lyman 311332BV & Red Dot)as it is a semi pointed and takes less up to 500 vs a true round nose or flat nose. Weight has a little to do with it but the first two more so. It's all about bullet shape first, twist second. Those that say a 12 twist will not shoot a sub are flat out wrong. That said I've shot the Sierra 180 gr prohunters over 10.4-.6 of trailboss to the same distance w/o issue. I've a 22" an 16.5" 12 twist I shoot to 500 w/o issue using a cast load I have come up with. Yes, just buy some round nose or flat nose flatbase bullets and you will be fine.
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