I agree that 6.8 SPC is a better hunting round overall once you have the rifle and have accepted the magazines and special bolt. Your H110 load data for the 150g FMJ is almost identical to the load I worked up for my 300 BLK. [ARCHIVED THREAD] - Best subsonic 300 blackout powder? I have some 230gr, 168gr, 130gr data that will knock your socks off. ... 208 Hornady A-Max W296 SUBSONIC 9.4 1066 SUBSONIC 2.26 Small Rifle ... View attachment 300 BLK load data.pdf ^the entire load data sheet *CAVEAT* Use at your risk - always start 10% shown values and … I found your post while I was searching for loading data for my 300 BLK. unit type Start Velocity Press. Using bullets from Hornady V-Max, Berger TGT FB, Nosler BT, Speer HP, Sierra HPBT, Nosler HPBT, Hornady InterBond, Hornady BTHP, Speer SP, Hornady A-Max, Berger TACT. I am attempting to work up loads using 150gr. Sierra MK, Hornady IB BC: 0.417 2.090” min OAL SD: 0.203 2.095” min OAL; 2.135, 2.180 SD: 0.226 Max type Start Velocity Press. Max Velocity Press. Load Velocity Press. Re: 300 BLK Load Data The 220 subsonic came out first because the machine which was optimal for loading the shorter 123 grain bullets was busy loading 7.62x39 and so that was scheduled second. 9.5gr IMR 4227 208gr - COL 2.095 . I dont have any experience with 4895, so i cant help you there. Shooting Hornady 208 Grain HPBT Subsonic With My Suppressor In A 300 Blackout AR. 208gr Hornady A-Max 2.260 COAL 1022 1038 1057 1066 1057-----16.2 Hodgdon H110 Winchester small rifle primers 150gr Sierra Game King 2.140 COAL 1998 2009 2011 1999 2006-----I have other loads, just gotta find the notes. These will be plinking rounds only. I am currently working on a subsonic load for a 300 blackout. Too. AR platform, 8" Wilson Combat barrel, standard gas port size and gas block, obviously pistol lenght gas system, 1-7" twist. Cases were primed with Federal Small Rifle Benchrest primers. This carbine would be used to gather data on Hodgdon’s new CFE BLK powder, which is formulated specifically for 300 BLK subsonic loads. Using 11.5 Reloader 7 Powder with a Hornady 208 grain HPBT. That's great to know fellas. Will add to this as I do. (7.62 x 35 mm) (300 BLK) 300 AAC Blackout 135 gr. I loaded Accurate 1680, or Hodgdon’s H110 powder for quite a bit of my 300 BLK testing with the Loki. Hornady fmj-bt, since they are relatively inexpensive. For 220gr loads check out VithaVouri N130- look at post by civilian75 here for details. 110: Sierra: RN Pro-Hunter: Lil Gun: 16: 2150: 1129: 18.5: 2400: 1407 #2100: 1.845: 1x8” Rem 7 ½ Powders include IMR, Winchester, Hodgdon Sierra Jacketed SP BC: 0.390 150 gr. February 5, 2021 There is very little data available for this cartridge and I cant find any data for cast loads. The 300 AAC Blackout (300 BLK) is a popular alternative cartridge in the AR-15/M16 M4 (AR) community. Reloading 300 Blackout: Ready To Rock. My load is 16.2 grains of H110 with an OAL of 2.060″ which produced a 1.5″ three shot group at 100 yards. Stay connected with ELLS International. I run a AAC 9 .300 Whisper / .300 AAC Blackout / .300 Blackout (Hodgdon Data) reloading data with 73 loads. Thanks for posting your data. hornady 208 gr subsonic 300 blackout load data.