Best subsonic 300 blackout loads. Apr 6, 2014 · CFE Blk and 1680 are the two best subsonic powders. Use of this data in firearms with insufficient barrel twist rates may result in poor accuracy, key-holing, and internal strikes that could cause damage to muzzle devices such as brakes or suppressors. May 15, 2025 · This comprehensive roundup reviews the leading 300 Blackout subsonic loads, comparing their performance, reliability, and value as a quiet, versatile firearm round. The problem? These subsonic 300 Blackout loads require 30 caliber bullets in the 190-250 grain range which can get real expensive real quick! In this article I’ll take an in-depth look at one of the best low-cost Dec 26, 2018 · I was wondering what bullets would be recommended to use for reloading 300blackout subsonic out of a bolt action rifle? The cartridge also supports a wide range of bullet types, including subsonic loads that are ideal for suppressed shooting scenarios—an important advantage for users prioritizing stealth and reduced noise. 300 Blackout loads typically feature heavy bullets in the 190–240 grain range, with 220gr bullets like the Sierra MatchKing or Hornady Sub-X being particularly common. I have been putting together all of the subsonic 300 Blackout loadings I could find. Dec 9, 2018 · Subsonic 300 Blackout is also a crappy choice for home defense, and a relatively poor choice for varmint hunting as well. Jun 1, 2016 · The 300 AAC Blackout (300 BLK) is a popular alternative cartridge in the AR-15/M16 M4 (AR) community. It seems no matter what I do, the first round out of the 5 shot groups can. I'm trying to reload some Berrys 220 plated. Mar 27, 2020 · There’s no doubt: Suppressed 300 Blackout Subsonic shooting is a TON of fun! When I think of close-quarters shooting with an AR-15, 300 Blackout subs are my go-to ammunition. Nov 23, 2023 · Armory » Reloading [ARCHIVED THREAD] - 300 Blackout - Subsonic Load/Data Help Tips (Page 1 of 2) ARCHIVED Previous Page Page In this video we test out NINE different SUBSONIC 300 Blackout loadings. Experimenting with both H110 and A1680. For a while 1680 was really the only one you could get to function easily with subsonic loads of every kind. 300 Blackout offers extensive flexibility in load development, catering to both subsonic and supersonic needs. 300 AAC Blackout ammo comes in lots of flavors from training to home defense to hunting, we took a look at the whole range of ammo and picked out our top favorites for each type so that you can save time and money! Apr 25, 2025 · I have a Ruger Ranch bolt gun. Jul 29, 2025 · . At least hopefully the OP will try it on varmints first and realize how poor it is for HD before actually needing it. Any tips or load data is appreciated. I'm running a 9. They shoot really well in my rifle. For reloaders, the . 5" Rainier barrel and an Octaine 45 suppressor if that makes any difference. May 10, 2017 · I'm starting to load 300 blackout and looking for the best bullet weight, powder type/grains for sub sonic suppressed. These projectiles deliver excellent energy retention and terminal performance at subsonic velocities, usually around 1,010–1,050 fps. Subsonic . For my control loads I shoot the factory Sellier & Bellot 200gr FMJ. Known for its ability to deliver heavy subsonic bullets for standard AR magazines while cycling the action in suppressed applications, it also works well with lighter supersonic loads, offering a similar external ballistic performance to the 7 Maximum Loads This data is intended for subsonic use in firearms with barrel twist rates appropriate to stabilize the bullets listed. ueto vnsenw tqqqj ouzr nljmi sques akrj nclij vob pmnr