These measures allow ATOMIC to make some of the most powerful and effective SUBSONIC ammunition in the world. Each round is precision crafted and individually inspected at our factory in Phoenix, AZ by skilled professionals before it ever leaves our doors. 77.99 Atomic 00429 Rifle Subsonic 223 Rem 77 Gr Hollow Point Boat Tail (HPBT) 50 Bx/ 1 SKU: 66ec0b6f3d07 Categories. ATOMIC vets every recipe at independent testing laboratories in the United States to ensure your safety. ATOMIC’s 5.56X45mm Tactical Cycling SUBSONIC provides leading edge technology for maximum safely and effectiveness.Īssembled to exact specifications by seasoned professions on commercial grade machinery ATOMIC Ammunition’s 5.56X45mm TACTICAL CYCLING SUBSONIC ammunition is designed to consistently and reliably perform to our stringent expectations.ĪTOMIC Ammunition follows SAAMI recommended guidelines for reliable feed and function. Tactical professionals can carry and easily recognize marked magazines for standard and SUBSONIC ammunition to maximize their ability to respond to numerous situations.
#ATOMIC SUBSONIC 223 AMMO FULL#
These relatively innocuous sounding cartridges with their low recoil and report serve professionals with an alternative to much louder standard power rifle cartridges allowing faster follow up shots and better full auto accuracy with the added safety of not penetrating level 2 and higher armor worn by many law enforcement and military professionals. ATOMIC’s 5.56X45mm TACTICAL CYCLING SUBSONIC produces similar energy and power as 9mm cartridges and delivers CQB accuracy from rifles with barrel twist rates of 1 in 7” or faster. 22 Long Rifle ammo and have minimal felt recoil. Good luck if you test this load data and let me know how it works for you.5.56X45mm TACTICAL CYCLING SUBSONIC ATOMIC’s Tactical Cycling SUBSONIC5.56X45 mm is unlike traditional high powered rifle ammunition. The Alliant powder seemed a little quieter than the IMR powder. There is still a lot of gas coming out of the ejection port. These loads were not particularly quiet suppressed. I needed to load these rounds with a COL of 2.260”. Also, before you test any load shoot it on paper to make sure your rounds are not keyholding without a suppressor. You need the extra pressure the suppressor provides. Note, you must use a suppressor to get the bolt lock open. I suspect this load will produce somewhere around a 1.5 – 2 MOA grouping. I did a quick 4-shot test to take a look at the accuracy. Here’s the grouping of the IMR load from 25 yards. Atomic Ammunitions Subsonic Rifle Ammunition is quieter than. Note, you will probably have to tweak the load data to your specific firearm. This is the AR I used with a Mystic X suppressor. The standard Gas Hole Diameter of 0.070” works fine. You will need a 1:7 twist barrel at least 16” long with a carbine gas port. I was able to get both Alliant 2000-MR and IMR 4227 working. Outlaw State Bullets recommended a load using IMR 4227 for a cycling AR subsonic round. Atomic Subsonic 223 Remington 112gr SPRN Rifle Ammo - 50 Rounds - Atomic Subsonic ammunition is ideal for those looking for a low-recoil ammo. They make a hollow point bullet that will expand at low velocities. That was the only place I found that manufactured anything over 100 grains. 224 bullets from Outlaw State Bullets LLC. The powder in the Atomic load looked very similar to Alliant 2000-MR, so that’s where I started.
The bullet is 112 grains and the primer looked like a Winchester small rifle primer. I took apart the cartridge and what I found was they are using 15.6 grains of a fine flattened ball powder. Obviously you need a heavy bullet for cycling an AR 223.
#ATOMIC SUBSONIC 223 AMMO HOW TO#
The clue the Atomic ammo gave me was they figured out how to get enough pressure at low velocities to cycle the bolt. The Atomic sub ammo gave me around 1150 FPS from the 10.5” barrel and around 1500 FPS from the 16” barrel. The ammo cycled and locked the bolt open in both the 10.5” and 16” barrels. I could not get the Atomic subs to stabilize with my fast twist 1:7 10.5” or 16” 5.56 NATO barrels. I had high hopes for the sub ammo, but it didn’t work. I ended up purchasing some Atomic Tactical Cycling 5.56 NATO Subsonic Ammunition from Midway at $60 for a box of 50. Some of the load data posted that claimed to cycle an unmodified AR did not work for me. It seems a few others have tried this and ended up not having much luck either. I tried to find some load data but had no luck. 223 subsonic load working with a standard AR15 platform that cycles. For the past 7 months I have been trying to get a.
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