Shooting the same load again did lock the bolt back in the 10.5" PSA rifle when shooting suppressed. I checked and re-set the chrono and the next string seemed more as expected. All hit the paper, and at the same POI as when I was shooting unsuppressed the other day. Everything before gave reasonable/expected results. These were not the first rounds I shot over the chrono either. All five shots read between 293 and 328 fps. The chrono was acting very strange for this string. SUB-X bullets unsuppressed, I got a 50-yd. Ok - some good info, some strange results. 250” ogive method that dryflah sometimes talks about. My OAL was 1.990”, which works out pretty close to the. I think I'll add a suppressor and maybe bump the powder charge up a couple tenths. It failed to load the next round twice, and did not lock the bolt back fully. I was shooting a standard rifle buffer & spring. These also cycled flawlessly and locked the bolt fully back, whether suppressed or unsuppressed. Although I'm going to blame the shooter (me) for the large group. Groups from just over an inch to just under 2 inches. it gave me an average velocity of 950 fps. The third is a more recent 10.5" PSA upper. I also built that one some time before the Blackout chambering was submitted to SAAMI by AAC/Rem. I also have a 16" Noveske barrel chambered in. I have a 10" SSK Contender barrel chambered in. Although the OAL they used for their Lapua bullet doesn't work for the Sub-X. I used Viht published starting load for a 185 gr. I'm really low on N110, but I have a pound on N120. I managed to find a couple hundred 175 gr. I think I’ll add a suppressor and maybe bump the powder charge up a couple tenths.ĭeviating a bit from the original thread. Although I’m going to blame the shooter (me) for the large group. The third is a more recent 10.5” PSA upper. I also have a 16” Noveske barrel chambered in. I have a 10” SSK Contender barrel chambered in. Although the OAL they used for their Lapua bullet doesn’t work for the Sub-X. I’m really low on N110, but I have a pound on N120. I was amazed they sent me a plug free, and said they would make me one free if I needed it.ĭeviating a bit from the original thread. Works but is not ideal, they told me I could send them a few bullets and they would make one for it specifically. Nosler 220 BT, they sent me a new plug for the seater that would allow the BT to get deeper in the plug and contact further down the bullet. I use RCBS blackout dies, the seater that came with it cannot load a Nosler BT without damaging it. I could feel it when seating, I seat with a lee hand tool for feel, sure enough it damaged the bullet. If I don't anneal it first, it creates enough extra pressure to damage the nosler BT. I have loaded some once fired starline brass. New starline brass(it has lower case capacity than most), 8.4 gr N110, 2.065 OAL, very light crimp with Lee FCD (factory crimp die)įorgot to mention. I have no idea what size Faxon uses for their gas ports, it seemed to be same size as PSA used on their barrel.
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