What is the effective range of a 300 Blackout subsonic?

Using M4 military standards, the max effective range of 300 AAC Blackout from a 16 inch barrel is 460 meters. From a 9 inch barrel (2050 fps): – 100 inches drop at 410 meters – 41 inches drift at 470 meters – 291 ft-lbs of energy at 625 meters, so 440 meter max effective range for a 9 inch.

Do suppressors add barrel length?

In summary, the length of a permanently attached muzzle device is added to both the barrel length and the OAL of a firearm for purposes of evaluating whether said firearm falls under the purview of the NFA.

What size suppressor do you need for 300 Blackout?

A modern quality . 45 caliber pistol sized suppressor will handle 45 ACP, 9mm and even subsonic 300 Blackout. Some shooters have tried bigger suppressors intended for larger .

Is a longer suppressor quieter?

All things being equal, longer suppressors tend to be quieter, but they have their drawbacks. If you get a 10” SBR and purchase an 8” suppressor for it, you’re right back to an 18” rifle.

How long do suppressor wipes last?

The wipe is usually good for 50 or more rounds. If you have shot with a silencer before you will notice that the first shot is much louder than the shots following. This is called “first round pop” and its when the oxygen inside the suppressor is burning up. The wipe helps reduce the sound of the “first round pop”.

What is the difference between subsonic and supersonic ammo?

Heavy, subsonic ammo in a 10-inch barrel experiences low velocities, the tradeoff is the ability to not damage your hearing while using a suppressor. Supersonic ammo in a 10-inch barrel retains rifle caliber velocities but experiences greater bullet drop at distances.

What is the difference between the 300 AAC Blackout and 223 Rem?

The .300 BLK bullets are 0.30 inch in diameter (7.62 mm) and the .223 Rem (5.56 mm) is 0.224 inch. A whole new world of hunting and target-shooting options open with that difference, a fact sometimes obscured by the cartridge’s subsonic and military roots. Hunting, home defense, and competition style shooting, the .300 AAC Blackout does it all.

What is the diameter of a 300 BLK bullet?

The kissing cousins resemble twins at a distance, but the similarities end at projectile girth. The .300 BLK bullets are 0.30 inch in diameter (7.62 mm) and the .223 Rem (5.56 mm) is 0.224 inch.

What size suppressor for a short barrel?

Something like a 7.5″ barrel with an appropriate 7 to 8 inch suppressor would allow for a package that is still shorter and a little handier than a typical 16″ barrel setup. Keep in mind that many manufacturers will not warranty their suppressors on barrels shorter than around 7.5 inches.