The .300 Whisper was developed by cartridge wildcatter J.D. 300 blackout pistol supersonic loads.
Any 300 Blackout load, that is near max SAMMI pressure in a rifle upper, will still be max pressure in a pistol upper. All 300 Blackout rifles that will cycle a subsonic round, without a suppressor are over gassed when shooting a super and more so supers suppressed.
Hornady V-Max BC: 0.290 115 gr. Vol. 300 blackout pistol supersonic loads. If you have any questions or concerns, be sure to consult with some of your fellow 300 Blackout owners for any answers in regards to safely reloading your rounds. Reloading 300 Blackout: DoubleStar. Decently accurate off hand, some ejected,but won't pick up next. The 300 AAC Blackout is a similar concept to previous wildcats, such as the 30-221 and 300 Fireball, as well as the proprietary 300 Whisper®, except that 300 BLK was the first to be a SAAMI approved cartridge and any company is free to make firearms or ammunition. No over pressure signs were evident in the cases or primers . 125 gr. 28 Nosler Load Data; 300 AAC Blackout Load Data; 30-30 Winchester Load Data; 30/40 Krag Load Data; 308 Marlin Express Load Data; 300 Savage Load Data; 308 Winchester Load Data; 30 Thompson Center Load Data; 30-06 Springfield Load Data; 300 Ruger Compact Magnum (RCM) Load Data; 308 Norma Magnum Load Data; 30-06 Springfield Ackley Improved Load Data
.300 Whisper Load Data Handloading the .300 Whisper and AAC Blackout is no different than most other bottleneck rifle rounds. There's no way around that. Sierra Jacketed SP BC: 0.338 2.100” OAL SD: 0.226 Sugg Max StartingVelocity Pressure Load Velocity Pressure Powder Grains FPS Grains 300 AAC Blackout (7.62 x 35 mm) (300 BLK) 125 gr.
Review of the Best .300 Blackout Powders. 300 AAC Blackout (7.62 x 35 mm) (300 BLK) 125 gr. load was compared because I loaded the same powder charge for them , a year ago. 300 Blackout is slowly becoming a more affordable round. You may have to register before … Below are five of the best powders currently available for a 300 Blackout. Essentially the same round.
The Best For Plinking/Shooting/Training – Magtech First Defense. SD ----- 62 fps Both the 110 gr. I've fired a few different factory loads out of my AR pistol and results were so so. The .300 AAC Blackout (designated as the 300 BLK by the SAAMI and 300 AAC Blackout by the C.I.P.
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Post by rifleman1981 » Sun Oct 08, 2017 6:53 am I'm sure it's here somewhere, and I've searched like hell and can't find it, so where exactly is all the supersonic pistol loads… The 300 AAC Blackout (300 BLK) is a popular alternative cartridge in the AR-15/M16 M4 (AR) community. 300 aac blackout rifle reloading data 9 indicates maximum load - use caution loads less than minimum charges shown are not recommended.
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